B2B technology and industrial companies are adopting affordable, yet robust e-commerce platforms in record numbers. To be sure, as more companies look to e-commerce to add new channels of distribution, the expanding universe of scalable platforms gives senior leaders numerous options in which to choose.
In this comprehensive white paper, we’ll provide you with six practical factors that you can use to evaluate which e-commerce platform is most appropriate for your company’s needs. Additionally, we take a deep dive into the industry’s four leading platforms; pros, cons and cost. Finally, in the paper’s last section, we share how we helped several B2B companies in divergent industries choose the ideal e-commerce platform and CMS (content management system) based on their requirements, and why.
How to Choose the Best B2B E-Commerce Platform
B2B technology and manufacturing companies are adopting affordable, yet robust e-commerce platforms in record numbers. Forrester forecasts the U.S. B2B e-commerce will reach $1.8 trillion and account for 17 percent of all B2B sales in the United States by 2023. This explosive growth is driven by an abundance of companies doing everything they can to one-up peers and win your business with compelling technology.
“The US B2B e-commerce will reach $1.8 trillion and account for 17 percent of all B2B sales in the United States by 2023.”
Companies in scores of B2B industries are building out e-commerce capabilities as a strategy to quickly add another distribution channel — connecting you to a much larger audience. Additionally, with the surge of B2C commerce in the last few years (think Amazon), B2B buyers are demanding similar high-quality experiences from business-to-business firms.
If you want to add e-commerce capabilities to your website or “marketing stack,” this is your year. More B2B e-commerce software is available in online versions, which helps drive down both acquisition and maintenance costs. At the same time, software vendors are offering multiple versions of their platforms with tiered capabilities and price points. Some even offer free versions.
By some measures, there are at least a dozen e-commerce platforms you could consider for your company’s B2B storefront — too many for anyone to evaluate over a reasonable period. However, to save you time, we’ve provided you with just enough background on the industry’s top four platforms to help you choose the best technology for your company. We’ll look closely at what we see as the top four choices, based on market share and other factors:
In addition to overall pros and cons of these top four software platforms, there’s a handful of key criteria to help you decide which e-commerce platform is best for you and your specific application. Nothing is one-size-fits-all. If you’re exploring e-commerce for the first time or updating an existing or older e-commerce website, there are many additional factors and decisions to consider, which impact both the website and your operations:
- Defining shipping rules
- Creating a product database
- Managing the inventory
- Choosing a server environment
- Order fulfillment
- Extendibility & reliability
- Promotion/discount types
- Complex product configurations
- Payment Processor
Every B2B e-commerce website package must satisfy what are often two opposing requirements — a rich platform to creatively showcase your company’s products, and the need to offer users intuitive functionality to find and order products.
B2B E-commerce Platform Evaluation Factors
Technology, manufacturing and industrial companies often require more unique functionality from an e-commerce platform than a B2C company. For example, a B2B company that only sold custom products discovered that many of its customers were ordering the same products with similar specifications. Realizing an opportunity, the company began offering the same products to customers as regular inventory items.
“Every B2B e-commerce website package must satisfy what are often two opposing requirements — a rich platform to creatively showcase your company’s products, and the need to offer users intuitive functionality.”
As you consider the best choice for your company’s e-commerce platform, here are six factors to help you evaluate your options:
1. User Experience
Consider the customer’s user experience, and also the skill level and the number of people who will edit and maintain product information. Will there be more store content than marketing content or vice versa? Some systems make it challenging to easily create nicely-formatted marketing content pages. If the system requires administrators to know HTML, CSS or other languages to hard-code layouts, it may be challenging for the average admin to maintain your site. Conversely, some systems provide a slick and simple admin interface for adding and managing products. Additionally, some platforms are quite extensible, but their admin dashboards are so complicated they can require significant user training, which can be expensive.
Will all of your products be available for online purchase or will some require the customer to request a quote or have the product custom made to spec? Will there ever be a case where some customers can purchase a product outright while others may need to request a quote? Are you selling single or bundled products? Will you offer advance order purchases or backorders?
2. Website Life Expectancy
The average lifespan of a website is three to five years. But because a B2B site will likely integrate with numerous business processes its lifespan can be longer with careful maintenance. Make sure your platform is extendible enough to meet your long-term growth plans.
3. Business Rules Flexibility
How flexible are your company’s business rules when it comes to automated online functions such as shipping and tax considerations? Are you willing to flex your current processes or requirements to comply with a wide array of different scenarios? For instance, a large e-commerce platform like Shopify has baked-in business rules that reflect industry best practices for conducting online commerce. A business rule, for example, may state that returning customers don’t have to manually input shipping addresses or billing information. If your business can’t adopt the fundamental rules in the industry’s leading platforms, then you’ll have to tailor an off-the-shelf solution.
Building a B2B e-commerce presence is also an opportunity to evaluate your internal processes. Is every step in the process essential, does it add value?
4. Installed Base
What’s the installed base of the e-commerce platform you’re considering? Your in-house developer may have fallen in love with an emerging, niche platform that’s perfect for your needs. If the platform is too new, however, it could be challenging to find external expertise in case your developer leaves. With mature software, you can rely on a broader community of developers to tap for support questions, updates, best practices, crowd-sourced security patches and more.
Bottom line: It’s better if you choose an e-commerce platform with an extensive installed base — where technical help and support is prodigious. The largest of the competing platforms — Magento and Shopify — even organize annual worldwide conferences to bring together partners, developers, users and agencies for a multi-day immersive experience of learning and sharing.
5. Cybersecurity, Maintenance & Hosting
Some e-commerce applications are hosted, turnkey applications. If you don’t plan to use a hosted system, you’ll have to provide a dedicated server, proactive maintenance, security patches, regular PCI scans and more. While your website may not be a hacker’s prime target, websites at small and midsize businesses are hit daily by bots — most originating from Eastern Europe and China — testing the site’s firewall. According to security firm Sitelock, a typical business website is attacked 44 times a day. Victims of attacks often find their sites infected with “bots, malware, backdoors and other malicious software.” The stakes are even higher when the privacy of customer credit card information is potentially at risk.
If you take the open-source path, experts can help you develop robust security around your website, but costs are generally higher when compared to the licensing fees for hosted e-commerce stores on Shopify or similar platforms, and, the liability is on your shoulders.
We always recommend that you choose professional-grade, dedicated hosting for your company’s website and e-commerce platform, if you don’t go the hosted route. Additionally, to maintain a secure site, perform monthly or more frequent updates to your CMS and any plug-ins or extensions you’re using.
6. Systems Integration
Every company has legacy systems that may have to work cohesively with the new e-commerce platform. However, sophisticated ERP software such as NetSuite, IQMS, Sage and Infor can be challenging and will likely require extra support from your IT department. A skilled web developer can work with your IT department to make direct connections or use a third-party intermediary system, so that information is passed efficiently between systems, reducing the need for manual entry.
CMS and E-commerce Integration
Many systems work well as a standalone, but to provide your users with a seamless experience as they browse your website for educational content as well as purchasing products, we often recommend you build a platform with a proven CMS (content management system) like WordPress or Concrete5 for the marketing content, and your chosen e-commerce package, such as Magento or Shopify for the e-commerce functionality. The two systems can “talk to each other” to the extent that you’ll never have to enter the same information in each platform.
Some companies may choose to have two website administrators split duties between the store and corporate content — especially if your e-commerce platform contains hundreds of SKUs. Your users, of course, won’t perceive any differences within your website. For instance, you can create a standard header and footer which is managed by the CMS but includes cart and account status elements from the e-commerce tool. Other than a URL change (companywebsite.com, store.companywebsite.com), your customers won’t notice that there are two underlying technologies.
Pros and Cons: Shopify, Magento, BigCommerce and WooCommerce
In the list below, we’ve summarized each of the top four B2B e-commerce platforms, provided several pros and cons and shared 2019 pricing data.
Subscription-based Shopify can scale from a small volume system up to an enterprise-wide system. The platform can easily handle large product volumes and spikes in traffic. You’ll appreciate its intuitive admin controls, which helps minimize training expenses. Additionally, Shopify is known for its relatively low implementation costs and offers several service plans.
- Slick and easy admin interface
- Hosted — includes security and platform maintenance
- Low monthly cost and more economical by comparison build cost
- Online support from the platform
- Extensive, easy-to-use online documentation
- Large developer pool
- Broad API support
- Well supported tools for integrating e-commerce features into outside websites
- Limited marketing content customization
- Cannot customize payment gateway or checkout process
- Business logic sometimes won’t accommodate your needs
- Expect about $600/year for Shopify service access, addon apps, and hosting. For live shipping rates, the price jumps to about $4,000/year. An enterprise-level experience, Shopify Plus, starts around $15,000/year.
This powerful platform, which is now owned by Adobe, is used for midsize to large e-commerce sites. You’ll need an experienced web professional or developer to help you set up and manage Magento, which is an open-source or subscription-based service. It’s great for complex scenarios where you have a shared product database and multiple storefronts for various parts of your business. Magento is also ideal for complex freight shipping scenarios, or any other scenario where you need to customize the e-commerce system to match your requirements or business rules.
- Open source and extendible
- Large marketplace for third-party customizations
- Flexible product option configurations
- Multiple destination shipping configurations
- Numerous user groups (facilitating dealer pricing, individual customer pricing, etc.)
- Flexible tiered pricing rules
- Compelling discount and coupon code system
- Large developer pool
- More expensive to build and maintain
- Requires beefy dedicated server environment
- Needs security and regular PCI scans
- Admin tools can have a steep learning curve; could require extensive training
- Templates can be inflexible and require developer support for most adjustments
- Expect about $6,000/year to run and maintain Magento on a dedicated server with PCI compliance testing, firewall and monitoring.
The WooCommerce platform runs exclusively on WordPress websites as a simple plug-in, which explains its popularity. If you decide to use WooCommerce with an existing WordPress theme, make sure the theme is compatible with the plug-in (all themes aren’t). And because it’s open-source, the plug-in is free! The secret of success with WooCommerce is choosing a high-quality WordPress hosting service, and working with a skilled website developer.
- WooCommerce and WordPress are both open source and can be enhanced via WordPress plug-ins and WooCommerce extensions.
- Large developer pool
- WordPress CMS is highly customizable for marketing content
- Simple and intuitive dashboard tools
- Enhancing a site with numerous plug-ins or extensions may increase the site’s complexity and potentially cause maintenance problems as the plug-ins and extensions independently evolve over time.
- A large developer pool, combined with a low barrier to entry, can result in quality problems if you hire inexperienced people. Make sure you vet your employees or contractors before making hiring decisions.
- With some installations, WooCommerce exists on your hosting server, which makes related liability a concern.
- Expect about $4,000/year for WooCommerce hosting, monitoring, maintenance, and licensing for addons.
The BigCommerce platform is available as standalone software, as well as a subscription-based service. The software’s dashboard is easy-to-navigate and will have you up and running in little time. The customizable software allows you to transform your store’s appearance and functionality into an effective, bespoke website.
- No transaction or setup fees
- Create unlimited staff accounts — ideal for large companies
- Multi-channel selling to use on Facebook, Amazon, eBay and others
- Plans include unlimited bandwidth, products and storage space
- Can download theme files to edit offline
- A small selection of free themes
- You must upgrade to a more expensive plan if you surpass the annual sales threshold associated with your plan.
- Recurring billing isn’t available out-of-the-box — but the feature’s available in the app store.
- Some advertised features only available to U.S.-based users
- Expect about $1,200/year for BigCommerce service access, addon apps, and hosting. For an advanced search filtering, the pricing jumps to about $3,200/year. An enterprise-level experience is available starting at $11,000/year.
B2B Companies Are Growing Faster Through E-Commerce
In part II we share how six companies in divergent B2B industries chose and integrated the ideal e-commerce platform and CMS.
Mini Case Studies: How we helped choose the ideal e-commerce platform and CMS for 6 B2B companies
Each of the following six B2B companies faced unique challenges and objectives, which resulted in a broad mix of e-commerce platform solutions. As discussed previously, the ideal solution is rarely an easy, and convenient, one-size-fits-all system.
For instance, if your company ships hazardous materials, your products will incur additional expenses to meet regulatory compliance requirements. Hazardous material shipments always require custom freight calculations. Shopify can accommodate some custom calculations, however, additional programming or coding may still be necessary to meet your requirements. Additionally, Shopify can’t be used if the shipping user interface needs modification.
The same would be true for any highly restricted product categories (think of examples like shipping ammunition or CBD products). Here, an online checkout process could require the buyer to validate their age and reveal federal or state certifications and licenses, which results in added complexity and the need to customize a feature that’s not always as easy with a straightforward hosted solution; these categories are also sometimes not allowed on hosted ecommerce solutions.
In cases where companies are shipping large, heavy, or voluminous items such as machinery and multiple pallets, shipping becomes a complex transaction. Here, fees are dependent on freight options such as truckload, less-than-truckload, intermodal, expedited, and so on.
And finally, some B2B buying scenarios may call for your website users to enter purchase orders or unusual forms of payment, such as wire transfers, for transactions that can cost tens of thousands of dollars. Some scenarios could lead to customizing the website’s cart as well as the checkout process.
How 6 B2B Companies in Divergent Industries Built E-Commerce Capabilities
In the following scenarios, six B2B companies were adding e-commerce functionality to existing websites or launching new sites with e-commerce capabilities to serve their customers better. We worked with each to select a CMS (content management system) or an e-commerce platform to address the company’s overall system requirements. Several industries are represented in the scenarios to demonstrate a breadth of solutions that could also apply to your situation: manufacturing, value-added distribution, training and consulting, and publishing.
This custom manufacturer of commercial speakers wanted to provide another channel of distribution by allowing online ordering of its most popular custom products in smaller quantities for prototyping or small batch needs. The website needed to enable customers to order custom products and request quotes along with options to order items regularly stocked items. Additionally, this site offers in-depth educational and marketing content.
A robust and customized product compare feature, including sound wave graphs, led us to Magento for the website’s e-commerce component. Concrete5 got the nod for serving up the site’s educational and marketing content. This flexible CMS allowed us to add editable header and footer content into content collections, or stacks. With custom tools, designers can easily use the same content blocks on both Magento and Concrete5 for visual continuity as well as functions such as “cart status.”
A value-added distributor of automation and industrial products and solutions wanted to allow customers to purchase stock and easily-specified parts and reorders, while continuing to show their value and expertise with the majority of their more complex solutions. We resolved this by putting a limited catalog of easily specified parts available for purchase online, while encouraging customers to contact the sales team directly to access most of the company’s product catalog. Carefully curating the list of products available for online purchase to only the straightforward items reduced frustration and product returns, while also allowing the company’s custom solutions and expertise to shine. The website’s secondary purpose was sharing informational content to help generate leads.
We chose WordPress to manage the majority of the site’s content; Shopify’s “Buy Now” buttons were an ideal solution for the e-commerce functionality. For this application, WordPress was selected for its design flexibility and easy implementation. We were able to design and launch a beautiful site quickly.
Consultant and Trainer
This consultant and trainer to the manufacturing and automotive industry wanted to present a large body of educational, lead-generation and marketing content. Moreover, it wanted to provide its customers with the ability to purchase virtual classes, seats at live training events and physical items, as well as integrate with a custom LMS (Learning Management System).
Because of this site’s sophisticated marketing and online commerce needs, we chose Concrete5 to manage the site’s web content and Magento to handle the e-commerce side. Concrete5 also integrates with Quickbooks, the custom LMS, and numerous other marketing automation and CRM systems. The final system gave the company the ability to customize its numerous product pages.
This provider of composites for marine, aerospace and hobbyist applications faced the challenge of shipping hazardous materials, which called for a solution that required complex freight calculations. In other words, shipping fees couldn’t be calculated using simple tables or add-on fee formulas. Unusual shipping requirements, coupled with the fact the site didn’t require many pages of marketing content, led us to select Magento as the website’s e-commerce platform.
Finally, to integrate the site with the company’s accounting system, we created a custom gateway when no off-the-shelf solution was available.
A niche publisher needed a store-based website that was governed by special rules for providing free content to decision-makers (researchers who specify the materials)while simplifying purchasing transactions for end-users. Furthermore, the system needed to integrate with a legacy accounting and ERP software system.
Fulfillment and business logic for the system was simple, yet many products required specific content needs that couldn’t be handled by standard e-commerce tools. Products also had several purchase options along with demo requests; therefore, it made sense to use Shopify to manage the standard purchase workflow and couple that with tools to support other sales channels.
Life Sciences Manufacturer
This life sciences manufacturer sells its products online to purchasing agents and wanted to replace an antiquated purchase order process with a modern, e-commerce interface. Since its content was nearly all product-focused, the company didn’t need multiple web page templates, which obviated the need for a CMS. Their business rules for shipping, checkout, etc. were able to follow industry norms with a shift to their internals where “sets” and individual dyes were simply tracked as different inventory items. Shopify was the ideal approach for the company’s new website.
Choosing the Best B2B E-Commerce Platform for Your Company
The secret is finding the ideal blend of affordability, scalability and performance.
For technology, industrial and manufacturing businesses seeking methods to grow faster or add new distribution channels, e-commerce platforms are making it easier for marketing leaders to acquire new customers through a low-risk, inexpensive strategy. Today, you have a capable mix of B2B e-commerce platforms to choose from for designing and building an ideal system. Regardless of your industry and technical requirements, you’ll find a platform that offers you the perfect blend of affordability, scalability and performance.
Windmill Strategy helps companies in technical industries launch robust and effective e-commerce capabilities. Whether you’re expanding existing operations, or just beginning your e-commerce journey, we’ll help you forge a path. Let’s Talk


With hydraulics, there are three grades for considerations – the viscosity grade and the hydraulic oil type grade 32-46-68. These specifications are typically determined by the weight and viscosity of the oil.
what do the numbers mean on hydraulic oil?
Similarly, what do the numbers mean on hydraulic oil?These numbers can be thought of in this way: the lower the number, the thinner the oil and the higher the number the thicker the oil. Oil viscosity changes with temperature. The hotter the temperature, the thinner the oil becomes and the colder the oil, the thicker.
what’s the difference between hydraulic oil 32 and 46?
Basically an oil or lubricant with a viscosity grade of 46 is thicker and more solid-like than oil with a viscosity grade of 32 (although the difference is not as pronounced as say between a 32 and a 68).
what is ISO 68 hydraulic oil?
Hydraulic Oil ISO 68. Hydraulic Oil 68 is exceptional quality, top achievement hydraulic oil developed to accommodated the appeal for environmentally acceptable hydraulic fluids. This product is based on synthetic, readily biodegradable esters.
How do I choose a hydraulic oil?
Conventional hydraulic fluids generally have a VI of around 100. By comparison, a multigrade hydraulic fluid should have a VI of at least 140. There are flu- ids with a VI higher than 200 for use in tem- perature extremes where the viscosity must remain steady.
Is there a difference between hydraulic fluid and hydraulic oil?
Hydraulic oil and hydraulic fluid are terms that are sometimes used interchangeably, but they are not necessarily the same. While hydraulic oil is a fluid, hydraulic fluid can also consist of other fluids, including plain water, water-oil emulsions and salt solutions. You may also read,
Can you mix different grades of hydraulic oil?
“Is it all right to mix an R&O hydraulic oil with an AW hydraulic oil in a hydraulic application?” Mixing oils with different additive packages is never recommended. Doing so could compromise the additive performance of both constituents, cause corrosion of component surfaces and lead to increased mechanical wear. Check the answer of
What happens if you use the wrong hydraulic fluid?
Using the wrong viscosity oil not only results in lubrication damage and premature failure of major components, it also increases power consumption (diesel or electricity) – two things you don’t want.
What does ISO stand for in hydraulic oil?
It is known as the International Standards Organization Viscosity Grade, ISO VG for short. You don’t have to listen very long in this field before someone says that viscosity is the most important physical property of a fluid when determining lubrication requirements. Read:
What is the difference between ISO and AW hydraulic oil?
R&O stands for rust and oxidation – mineral oils with improved anti-rust and anti-oxidation properties. The ISO classification for these oils is HL. AW stands for anti-wear – R&O oils with an anti-wear additive package. The ISO classification for these oils is HM.
Can you mix hydraulic oil viscosity?
For the layman it’s best just not to mix hydraulic oils at all, but never mix zinc and non-zinc oils. The main problem emerges from the different additives which are used in different oils.
What is the most common hydraulic fluid?
Most are mineral oil or silicone based fluids, while some use automatic transmission fluid, made from synthetic base oil.
What is the difference between ISO 68 and AW 68 hydraulic oil?
Hydraulic oil viscosity index A straight paraffinic mineral base oil will typically produce a fluid with a low viscosity index, whereas a paraffinic mineral base with viscosity improvers will produce a fluid with a high viscosity index.
What weight is AW 68 hydraulic oil?
This AW 68 Hydraulic Oil is approved for industrial applications requiring an ISO VG 68. It’s available in a 5-gal pail. Specifications. Brand Sinopec Assembled Product Weight 40 lbs Assembled Product Dimensions (L x W x H) 13.00 x 13.00 x 15.00 Inches
Can you use engine oil as hydraulic oil?
No you cannot use Motor Oil in a Hydraulic System. Motor Oil runs at a much higher temperature and Hydraulic Oil starts to fail at around 45c. You cannot as water is one of the worst contaminates for Hydraulic Oil. The system would break down and would cost even more to repair than using Motor Oil.


text:
Diabetes, Metabolism & EndocrinologyDiabetes, Metabolism, Endocrinology studies the effect of hormones on the functioning of the organism as a whole, diagnosis, treatment and prevention of diseases of the endocrine system of humans.
- New York, Pearl River
Dr. Anna Chernov, MD works in
Pearl River, New York is a specialist in Diabetes, Metabolism & Endocrinology and graduated Long Island College Hospital. Dr. Chernov is affiliated with Bon Secours Good Samaritan Hospital of Suffern, Nyack Hospital and practicing for 29 years
Experience and Qualifications
Diabetes, Metabolism & Endocrinology
Abnormal Uterine Bleeding
Congenital Mitral Stenosis
Fear of Getting Married
Food Allergy - Carp
Food Allergy - Castor Bean
Obsessive-Compulsive Disorder (OCD)
Primary Congenital Glaucoma
Pulmonary Function Tests
Years Since Graduation
Informations for Dr. Anna Chernov, MD are not present.
Education & Training
Long Island College Hospital
Brooklyn, NY, USA
Mt Sinai School Of Med
Moscow Medical Stomatological Institute Na Semasko
Awards for Dr. Anna Chernov, MD are not present.
Dr. Chernov Ratings
Rates are not present.
Dr. Chernov Reviews
Reviews for Dr. Anna Chernov, MD are not present. Be the first to review this doctor!
I received a timely response to my questions and concerns.
I got an appointment when I needed one.
They kept things moving and on time during my visit.
Knowledge and Skill:*
I received a thorough evaluation.
I received a correct diagnosis and up-to-date treatment.
I was given specific advice on lifestyle changes I can make to improve my health.
Shared Decision Making and Communication:*
I was given the medical information I needed in an understandable way.
The provider really listened, gave me the time I needed, and put me at ease.
We discussed treatment options and choices I have.
The provider addressed traditional and alternative medicine treatment options in an open-minded way.
Bon Secours Good Samaritan Hospital of Suffern is a non-profit hospital located in Suffern, NY. Procedures/Diagnosis costs are at the state average in 1 of 15 procedures. Length of Stay is shorter than the state average in 4 of 15 procedures.

domain: medical


text:
|The story of how I came to be who I am today is a little twisted. Nine years ago, I was outted as a lesbian to my parents by my girlfriend at the time. A month later, I was outted to my school by someone I considered to be a trusted confidante. Despite the torment I endured both at home and at school, I was never ashamed of who I was. When the chips fell, I didn’t give a damn who knew I loved women. All that mattered was that I could finally be myself. |
Now, let’s fast forward two and a half years, to when I met the person who began the process which led me to who I am today.
I’d met a woman (at the time) named ‘L’ who was thirty-eight years old, twenty years my senior. She was then known as a very butch leather dyke in the BDSM community. With ‘L’ my interest in BDSM flourished in an experience that was so eye-opening and life changing that it is hard to even begin to describe.
Half-way through our short romance of nine months, ‘L’ disclosed to me that she out-of-place with regards to her gender. She told me that she always felt like a man trapped in a woman’s body. Though I have always been a very open-minded and accepting person, the idea of her transitioning didn’t phase or shock me in the least. My issue was, “How will I identify?” That was the question that plagued me in the months that followed her disclosure to me.
I didn’t want to be labeled as bisexual, as I didn’t like the stigma attached to that word (a stigma that even I, myself hold on to), nor did I feel like it would accurately depict my sexual orientation. Though I knew that it would also be impossible for me to flat out say I was a lesbian as well. So where did that leave me?
For a long time I felt like my sexual orientation was an enigma. Like there was no accurate way to describe myself – to me.
Though ‘L’ and I parted ways, for reasons completely unrelated to her transition, I was still perplexed by what my sexual orientation really was. You see, I am very much a black and white person when it comes to me. The outside world is a different story, but when it comes to Ms. Honesty, I like clarity.
Fast forward again, this time five years, to when I met Chase. Chase was daunting. A beautiful mind, an amazing view of the world, but faulted none the less, as we all are. Though presently Chase is still pre-op and has yet to begin taking testosterone or T, he still prefers to be referred to in male pronouns, as that is what makes him most comfortable.
In the eight months that Chase and I were involved, he had come to the realization that he was not comfortable identifying as a female, and began exploring more with regards to gender bending and transgender life. Chase and I had several discussions about his considering transitioning, as well as gender bending. He was always afraid that I would be embarrassed or, paranoid, or closeted when it came to who he was, and what he was choosing to do. I never blinked an eye, nothing about Chase’s transition bothered me, my main concern was that he was happy and learning and growing, and I was willing to be there every step of the way.
I think the best thing about my involvement with Chase, was watching him come in to his skin, which in turn helped me come into mine. The emotional, mental and physical processes that one undergoes when gender bending or deciding to undergo gender re-assignment is an intoxicating experience to witness.
Almost instantaneously, I was comfortable with me, I was comfortable living in a gray area, and I was comfortable with referring to myself as a ‘Queer Femme’. When I refer to myself as such, I don’t feel like I am bound by the social paradigm of sexual orientation and gender theories. Yes, I still love women, but, I love FTMs more.
Sometimes, I sit and reflect on how I evolved from a pride flag waving, pussy loving lesbian, to a sexually diverse queer femme. My experience, though miniscule in the grand scheme of transgender identity, has been very eye-opening to me. I’ve learned that even when it comes down to my orientation, I still blatantly cross the boundaries of what is considered to be the ‘norm’. I’m still proud of who I am , and inevitably, I am ever-changing as is the world and most importantly, I still don’t give a damn what anyone thinks!

domain: sociology


text:
Background: Relapse prevention with antipsychotic drugs compared with placebo in patients with schizophrenia has not been sufficiently addressed by previous systematic reviews. We aimed to assess the association between such drugs and various outcomes in patients with schizophrenia to resolve controversial issues.
Methods: We searched the Cochrane Schizophrenia Group's specialised register for reports published before Nov 11, 2008; and PubMed, Embase, and ClinicalTrials.gov for those before June 8, 2011. We also contacted pharmaceutical companies and searched the reference lists of included studies and previous reviews. Randomised trials of patients with schizophrenia continued on or withdrawn from any antipsychotic drug regimen after stabilisation were eligible. Our primary outcome was relapse between 7 and 12 months. We also examined safety and various functional outcomes. We used the random effects model and verified results for the primary outcome with a fixed effects model. Heterogeneity was investigated with subgroup and meta-regression analyses.
Findings: We identified 116 suitable reports from 65 trials, with data for 6493 patients. Antipsychotic drugs significantly reduced relapse rates at 1 year (drugs 27%vs placebo 64%; risk ratio [RR] 0·40, 95% CI 0·33-0·49; number needed to treat to benefit [NNTB] 3, 95% CI 2-3). Fewer patients given antipsychotic drugs than placebo were readmitted (10%vs 26%; RR 0·38, 95% CI 0·27-0·55; NNTB 5, 4-9), but less than a third of relapsed patients had to be admitted. Limited evidence suggested better quality of life (standardised mean difference -0·62, 95% CI -1·15 to -0·09) and fewer aggressive acts (2%vs 12%; RR 0·27, 95% CI 0·15-0·52; NNTB 11, 6-100) with antipsychotic drugs than with placebo. Employment data were scarce and too few deaths were reported to allow significant differences to be identified. More patients given antipsychotic drugs than placebo gained weight (10%vs 6%; RR 2·07, 95% CI 2·31-3·25), had movement disorders (16%vs 9%; 1·55, 1·25-1·93), and experienced sedation (13%vs 9%; 1·50, 1·22-1·84). Substantial heterogeneity in size of effect was recorded. In subgroup analyses, number of episodes, whether patients were in remission, abrupt or gradual withdrawal of treatment, length of stability before trial entry, first-generation or second-generation drugs, and allocation concealment method did not significantly affect relapse risk. Depot preparations reduced relapse (RR 0·31, 95% CI 0·21-0·41) more than did oral drugs (0·46, 0·37-0·57; p=0·03); depot haloperidol (RR 0·14, 95% CI 0·04-0·55) and fluphenazine (0·23, 0·14-0·39) had the greatest effects. The effects of antipsychotic drugs were greater in two unblinded trials (0·26, 0·17-0·39) than in most blinded studies (0·42, 0·35-0·51; p= 0·03). In a meta-regression, the difference between drug and placebo decreased with study length.
Interpretation: Maintenance treatment with antipsychotic drugs benefits patients with schizophrenia. The advantages of these drugs must be weighed against their side-effects. Future studies should focus on outcomes of social participation and clarify the long-term morbidity and mortality of these drugs.
Funding: German Ministry of Education and Research.
Copyright © 2012 Elsevier Ltd. All rights reserved.

domain: literature


text:
Vancouver black metal trio is the latest local heavy rock crew to enter the Billboard charts
Heaven That Dwells Within
Wormwitch | Prosthetic Records
“Medieval Myth and Magic from the Great Wight North.”
With that description of its brand of melodic black metal, Vancouver trio Wormwitch endeared itself to Game of Thrones fans everywhere. Of course, the trio of Robin Harris (bass/vox), Colby Hink (guitars) and Izzy Langlais (drums) has been building a name for itself since forming in 2015. As part of the burgeoning Vancouver metal scene, Wormwitch has developed a fan base that enables it to tour throughout the U.S. and see its latest album enter the Billboard charts.
Pretty good for a group that relies on getting its music out via anything but the regular commercial music channels.
That’s always been the case for metal acts, and Wormwitch is no different. What elevates the group above so many others is the professionalism of its craft, from quality videos to the production on the album. And it has that particularly Vancouver sound that incorporates a fair bit of West Coast hardcore punk in its execution.
Here are five things to know about Heaven That Dwells Within:
1. This isn’t Sunday School Heaven: Given that the opening track is the pummelling Disciple of the Serpent Star and the closer is Alone Before the Doors of the Silent House, the heaven dwelling within might be derived from historic references that hearken back to more pagan origins than the King James Bible. ‘Twas ever thus in black metal circles.
2. Vernal Womb: Key to most effective metal is not mucking about too long on the intros. But you still want to feature surprises like the thrumming bass at the beginning of this headbanger. It’s almost folk metal with the rolling tom-tom drums and acoustic feel until Colby Hink’s guitar chainsaws into the mix and takes no prisoners. There is a lot of that going on over the 10 tracks.
3. Videos: No metal band is complete without sword and sorcery fantasy-themed videos featuring the group thrashing about in the forest. Then you need friends dressed in Viking-esque finery embarking on mythic quests, lighting ceremonial bonfires and doing something in the dark that’s dripped in blood. Add in broadswords and black leather and denim and you’ve got the video for Disciple of the Serpent Star. About 15,000 views and counting.
4. Dancing in the Ashes: The current single from the album begins with a medieval folk interlude that would sound right at home in an episode of Vikings. It proves that Robin Harris can actually sing clean in a lovely, chiming voice before getting back to growling at the mic. Not that he’s full-on angry Cookie Monster, his singing style is always clearly enunciated.
5. Secret Weapon: Without doubt, everyone in this group can play passionately. But a big nod must go out to drummer Langlais, who is absolutely relentless throughout the record while tossing in instantly memorable twists and turns like the ride cymbal work in Two Wolves that elevate the song from the typical percussion you hear coming from the metal pack.
Also out this week:
Crooked Colours | Sweat It Out
This Western Australian electronic trio from Perth makes music that is somewhere between brainy indie rock and dance-oriented work of contemporaries like Flume. Named after a location in Kenya where member Philip Slabbber grew up, the album was largely written and recorded on tour in support of its predecessor Vera and has that sense of movement and energy all over tracks such as the infectious I’ll Be There and droning I C Light. Fans of textured, rhythmic pop will want to check this for sure. On Oct. 3, the band plays at the Commodore Ballroom. Tickets at Ticketmaster.ca.
Injury Reserve | Loma Vista
The new album from MCs Ritchie With A T, Stepa J. Groggs and producer Parker Corey inhabits a world where life and death battles start to keep people from stepping on your limited edition deadstock kicks and robotic loops skip over nightmarish memories of grade school. Expect everything from full-on dubstep drops to reverb heavy thumb piano and scratches that sound more like finger across the chalkboard coming at you over the 14 tracks. Hip hop as it should be, unpredictable and precocious.
Irata | Small Stone Records
It’s summer and that means there needs to be some pulsing stoner rock for all that legal marijuana huffing that will be going on around the backyard BBQ. This Greensboro, N.C., crew certainly knows how to ride a fuzztone riff to and beyond its obvious conclusions to build a mood. The band has experimented with a number of styles before settling on its present one, which is something like Mastodon-meets-early Fu Manchu. It’s heavy, driving and full of interesting math rock flourishes and sounds really good super loud.
Lightbulb Vaporizer | Spotify.com
This Surrey instrumental rock group has been kicking around for a number of years crafting riff-reliant pieces like Korb on the Lawn and Horse Blankets that indicate more than a passing love of the progressive heavy blues of the ’70s. Not only does the majority of the music come from a place that classic Robin Trower fans will appreciate, but it’s willing to spend some time there as on Groovin’ Down or Black Water. It sounds like the band is enjoying making music here and curious listeners can hear why on May 31, Pub 340. Tickets at the door.
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domain: artistic


A few years ago, while living in a small apartment in Montreal’s Plateau neighborhood, I noticed that the lightbulb in my kitchen had burned out. Naturally, I went to the hardware store to find a replacement. After struggling to read the French labeling on several different packages, I ultimately decided to go for the least expensive box of LED bulbs that the store had available. Once I installed the newly purchased lightbulb, I noticed a difference in the way our kitchen looked. Specifically, I noticed a difference in the appearance of the bowl of fruit that always sat on the counter. While the lightbulb illuminated the space, I remember thinking to myself how unappetizing and dull my fruit now looked. This exercise, though unintentional, clarified the importance of a light source’s color rendering capability.
3 min read
3 min read
In a previous blog post, I discussed the energy benchmarking service we currently perform for a healthcare network using the Energy Star Portfolio Manager (ESPM) tool. This tool is used to monitor the energy usage of a building over time. It allows a user to set energy goals, compare the overall energy use intensity (EUI) to a baseline year, and compare the building in question to other buildings with similar use-types and characteristics. In addition to continuing this specific service for the healthcare network, Cx Associates uses the benefits of benchmarking in other areas of our work too. This blog post will discuss what other areas of our work utilize benchmarking and then provide a brief update on changes ESPM has made to their scoring metrics over the past year.
3 min read
I recently attended the Performance Evaluation Methodology for Building Occupancy Sensing Systems for HVAC Controls workshop, which followed the annual ASHRAE conference that just wrapped up in Kansas City, MO. The workshop focused on one of ARPA-E’s research programs called SENSOR (Saving Energy Nationwide in Structures with Occupancy Recognition), and brought together a diverse group of individuals, including researchers from national labs and universities, industry representatives, design engineers, and other interested parties.
3 min read
We often hear a question that goes something like this from building owners: “Why do I need an independent design review? I hire the best architects and engineers.” It’s a reasonable question — asked so often in my opinion because those of us in the architecture, engineering and construction industries have done such a poor job answering.
5 min read
When I started in the energy efficiency profession 20 years ago, the object of my job was to reduce electric demand on the grid. This was to be accomplished through energy efficiency and a strong emphasis to fuel switch equipment from electric to fossil fuels (specifically electric heat to natural gas or oil heat). At the point of use (our building), traditional electric heat is 100% efficient, meaning 100% of the electricity within our building is transferred into heat within our building. But the electric generation (at the power plant), and the transmission, and distribution process makes the entire process about 30% efficient. This means an oil or natural gas heating system, operating at approximately 80% efficiency at point of use, is inherently more efficient than traditional electric heat given the current electric grid generation mix. Heat pumps, however, have changed this calculation, with heating efficiencies of over 300%. Thus, the world is changing back to electric heat through heat pumps (refer to Gretchen’s blog from February 2017, Heat Pumps Catered to Colder Climates; Will Increased U.S. Adoption Continue?). Is this a good thing? ‘Experts’ seem to agree that it is, but I have been curious to do this calculation myself as adding electric load to the grid goes against my deep-rooted mindset.
6 min read
Lighting control systems have become more ubiquitous in recent years. Whereas five years ago, sophisticated lighting control schemes were the realm of a few performance venues, nowadays your neighborhood grocery store uses wireless lighting controls that can be complex to calibrate and require attention to detail from design through to occupancy. Commissioning is vital to ensuring that installed equipment operates as designed and provides adequate light levels and indoor environmental quality, and user controls function as intended.
5 min read
I have repeatedly blogged about my concerns with the current and future energy codes because the codes are not keeping up with technology for lighting efficiency (see my previous blog posts titled “Why are Lighting Energy Standards Decreasing” and “More Issues with the Energy Code – Lighting is Running Rampant”). The graphs below, developed by our friends at Optimal Energy, show some comparisons of Department of Energy (DOE) predicted efficacies for lighting technologies and the efficacy needed to meet code for some common space types.
4 min read
Back in 2015 I wrote a blog post about ASHRAE Guideline 36 - High Performance Sequences of Operation for HVAC Systems. I referenced a spec my team at Cx Associates wrote for a BAS controls upgrade. Now in 2017, that spec, and the sequences contained therein, have been made into a fully functional BAS controlling 14 air handlers (AHUs), over 90 variable air volume boxes, and the central plant that serves them. Our firm artfully adapted the sequences to meet the needs of the building owner and the function of the building (healthcare) without sacrificing the high degree of complexity which yields the energy savings building automation systems have been promising for decades. After working on this project from specs to implementation, I can confidently say that Guideline 36 can deliver a reduction in energy consumption and improved comfort. The cost (excluding the norms of engineering labor, BAS reprogramming, and commissioning) is primarily paid through raising all ships. Let me explain.
3 min read
Early this year, Cx Associates and the Vermont Green Businesses Network (VGBN) were awarded the Burlington 2030 District Director contract. Cities and towns that become an established 2030 District commit to the Architecture 2030 Challenge, which requires all new buildings, developments, and major renovations to be carbon-neutral by 2030. Cx Associates and VGBN, as the Burlington 2030 District Director, are tasked with developing a roadmap for the newly established Burlington District and assisting it to become self-sufficient.
Topics: Sustainability Standards and Metrics
3 min read
Hi, it’s me again – two blog posts in a row! I still haven’t had the time to compile the full TMY3 comparison picture that I envisioned when I started this rant. (See my last post if you want to learn the TMY3 basics.)


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The following list of medications are in some way related to, or used in the treatment of this condition. Drug class: purine nucleosides. For consumers: dosageinteractions. Drug class: topical antivirals. For consumers: dosageinteractionsside effects. For professionals: Prescribing Information. Drug class: topical anti-infectives.
Most infected individuals experience fewer outbreaks and outbreak symptoms often become less severe. After several years, some people become perpetually asymptomatic and no longer experience outbreaks, though they may still be contagious to others. Immunocompromised individuals may experience longer, more frequent, and more severe episodes. Antiviral medication has been proven to shorten the frequency and duration of outbreaks. In the case of a genital infection, sores gerpes appear at the original site of infection or near the base of the spine, the buttocks, or the back of the thighs.
HSVinfected individuals are at higher risk for acquiring HIV when practicing unprotected sex with HIV-positive persons, in particular during an treatment with active lesions. As many as one in seven Dimplex aged 14 to 59 may be infected with herpes simplex type 2 virus  and more than 90 per cent of them may be unaware of their status, a new study suggests. Herpes has been known for at least 2, years.
Emperor Tiberius is what to have banned kissing the Rome for a time due to so many people having cold sores. In the 16th-century Romeo and Julietblisters "o'er ladies' lips" are mentioned. In the 18th century, it was so common among prostitutes that it was called "a vocational disease of women". Herpes was not found to be a virus until the simplex. Herpes antiviral therapy began herpes the early s with the experimental use of medications that interfered with viral replication called deoxyribonucleic acid DNA inhibitors.
The original use was against normally fatal or debilitating illnesses such as adult encephalitis,  keratitis,  in immunocompromised transplant patients,  or disseminated herpes simplex. The oof expanded to include topical treatment of herpes simplex,  zoster, and varicella. Vidarabine was the first systemically administered herpes medication with activity against HSV for which therapeutic efficacy outweighed toxicity for the management of life-threatening HSV disease.
Intravenous vidarabine was licensed for use by the U. Food and Drug Administration in Other experimental antivirals of that period included: heparin,  trifluorothymidine TFT herpes,  Ribivarin,  interferon,  Virazole,  and 5-methoxymethyl-2'-deoxyuridine MMUdR.
Some people experience negative feelings related to the condition following diagnosis, in simplex if they have acquired the genital form of the disease. Feelings can include depressionfear of rejection, feelings what isolation what, fear of being found out, and self-destructive feelings. People with herpess herpes virus are often hesitant to divulge to other people, including friends and family, that they are infected. This is especially true of new or potential sexual partners whom they consider casual.
One of the diseases that increased dramatically was genital herpes. The HRC was the to meet the growing need for education and awareness about the virus. The goal of these HELP groups was to provide a us, confidential environment where participants can get accurate information and share experiences, fears, and feelings with others who are concerned about herpes.
The charity started as a string yreatment local group meetings before acquiring an office and a national spread. Research has gone into vaccines for both prevention and treatment of herpes infections. Treatment clinical the have been conducted for some glycoprotein subunit vaccines. A genomic study of the herpes simplex type 1 virus confirmed the human migration pattern theory known as the out-of-Africa hypothesis. From Wikipedia, the free encyclopedia.
Viral disease caused by herpes simplex viruses.Dec 18, · Naturopathic doctors tout echinacea, aloe vera and zinc as treatments for herpes simplex, but there is insufficient scientific data to support these claims. There are also several ongoing clinical trials for a vaccine to prevent herpes simplex, . Jun 18, · Simplex 1 Treatment. There is currently no cure for either strand of the herpes simplex virus. However, both can be managed with prescribed antivirals. Medication. Acyclovir, famciclovir, and valacyclovir are three of the most common antivirals used to help manage HSV-1 and HSV Of the three, acyclovir is most prescribed for HSVAuthor: Alexa Amador. Dec 09, · Is there a cure or treatment for herpes? There is no cure for herpes. Antiviral medications can, however, prevent or shorten outbreaks during the period of time the person takes the medication. In addition, daily suppressive therapy (i.e. daily use of antiviral medication) for herpes can reduce the likelihood of transmission to partners.
For other uses, see Herpes disambiguation. For the virus that causes herpes simplex, see Herpes simplex virus. For all types of herpes viruses, see Herpesviridae.
HSV-1 (Herpes Simplex 1) Symptoms & Treatment - brxu.migroup.pro
Main article: Epidemiology of herpes simplex. Main article: Herpes simplex research. December 8, Archived from the original on 31 December Retrieved 31 December Dental Clinics of North America. August Support Care Cancer. Pediatr Rev. Mosby's Medical Dictionary treatmenr ed. Elsevier Health Sciences. Archived from the original on Progress in Retinal and Eye Research.
List of Herpes Simplex Medications (10 Compared) - brxu.migroup.pro
Current Neurology and Neuroscience Reports. Obstetrics and Gynecology Clinics of North America. Bulletin of the World Health Organization. Med Hist 6 : — David Elpern. Retrieved 22 September March Curr Infect Dis Rep. The Journal of Pathology. May An immunohistological study of the distribution of viral antigen within the brain". Journal of the Neurological Sciences.
Clinical Assessment". Grossman Clin Infect Dis. Andrews' Diseases of the Skin: clinical Dermatology.
Herpes simplex - Wikipedia
Saunders Elsevier. Dermatology: 2-Volume Set. Louis: Mosby. Rev Med Interne in French. Alzheimers Dis.
CDC – Genital Herpes Treatment
CNS Drugs. New Harbinger Publications. Archived from the original on January 21, Retrieved Nelson; Jo Ann Woodward Curr Med Res Opin. FEBS Journal. J Infect Dis. Infect Dis Clin North Am. Johnson August 23, Associated Press.Mar 01, · Overall, medical treatment of herpes simplex virus (HSV) infection is centered around specific antiviral treatment. While the same medications are active against HSV-1 and HSV-2, the location of the lesions and the chronicity (primary or reactivation) of the infection dictate the dosage and frequency of medication. The herpes simplex virus, also known as HSV, is an infection that causes herpes. Herpes can appear in various parts of the body, most commonly on the genitals or mouth. There are two types of the. 31 rows · About Herpes Simplex: An infection caused by herpes viruses 1 or 2 -- which primarily .
April 2, January N Engl J Med. November Annals of Internal Medicine. Center for Disease Control and Prevention. NY Times.
October Archives of Internal Medicine. UBM Medica. Retrieved 20 July April December Expert Opin Pharmacother. LaFemina Hastings, Joseph Torkildson, Anurag Kishor Chichester, West Sussex: Wiley-Blackwell. What are the best treatments for herpes labialis? J Fam Pract. American Family Physician.
Bibcode : PNAS PLOS Pathogens. Cytokine Netw.
Oral Maxillofac. Current Opinion in Infectious Diseases. Annu Rev Med. Sternberg; Benny J. Kottiri; Geraldine M. McQuillan; Francis K. Lee; Andre J.
Nahmias; Stuart M. Berman; Lauri E. Markowitz Archived from the original on 25 June Retrieved 12 April Archived PDF from the original on Health Reports. National Post. American Simpleex of Epidemiology. Acta Obstet Gynecol Scand. Can J Infect Dis. Agents Chemother. Investigative Ophthalmology. June Annals of the New York Academy of Sciences.
Infection and Immunity. Bibcode : Sci February Sexually Transmitted Infections. Archived from the original on 16 November Archived from the original on 4 May Retrieved 15 May Archived from the original on 21 October Retrieved 19 October ASHA was founded in in New York City, formed out of early 20th century social reform movements focused on fighting sexually transmitted infections known then as venereal disease, or VD and prostitution.
Herpes Viruses Association. Archived from the original on 22 October Retrieved 22 October Medicine portal Viruses portal.
Diseases of the skin and appendages by morphology. Freckles lentigo melasma nevus melanoma. Aphthous stomatitis oral candidiasis lichen planus leukoplakia pemphigus vulgaris mucous membrane pemphigoid cicatricial pemphigoid herpesvirus coxsackievirus syphilis systemic histoplasmosis squamous-cell carcinoma. Trichomoniasis Trichomonas vaginalis.
Available for Android and iOS devices. Subscribe to Simp,ex. This material is provided for educational purposes only herrpes is not intended for medical advice, diagnosis or treatment. We comply with the HONcode standard for trustworthy health information - verify here. Skip to Content. All drug classes - topical anti-infectives the - miscellaneous ls agents 2 - purine nucleosides 3 - topical antivirals 3. Off Label. Only Generics.
Learn more about Herpes Simplex Drugs. Pregnancy Category A Adequate and what studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy and there is no evidence herpee risk in later trimesters. B Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate simplex well-controlled studies in pregnant women. C Animal reproduction studies have shown an adverse effect on herpes fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use in pregnant women despite potential risks.
D There is treatment evidence of human fetal risk treatmenf on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use in pregnant women despite potential risks.
Topics under Herpes Simplex
N FDA has not classified the drug. Has no currently accepted medical use in treatment in berpes United States. There is a lack of accepted safety for use under medical supervision. Has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse may lead to severe psychological or physical dependence.
Drugs Used for Herpes Simplex
Has a currently accepted medical use in treatment in the United States. Abuse may lead to moderate or low physical sjmplex or high psychological dependence.
It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3.


Repairing Quickbooks Printer Not Activated Error Code 20
Quickbooks software is the top choice of entrepreneurs and company owners for handling all complex financial tasks easily. Despite being a top-rated software, it is not completely free from technical glitches and errors. There are certain issues like “Quickbooks Printer Not Activated Error Code 20” that stop users from performing their daily tasks properly.
Users come across this error when they try to upgrade from Windows XP/Vista to Windows 7 or above versions. This nagging error stops you from printing any form or document using Quickbooks.
After receiving this issue, you can’t publish any invoice or payslip neither can send them. These tasks are considered to be crucial in any business and this error creates chaos for business owners.
To prevent such uninvited problems, we have piled up important facts about “Quickbooks Printer Not Activated Error Code 20”, its causes, and correct troubleshooting techniques.
Triggers Causing Quickbooks Printer Not Activated Error Code 20
You get this uninvited error due to certain circumstances. The main reasons are listed below.
- Quickbooks is facing compatibility issues with Windows 10.
- You have outdated software.
- An old application key also causes “Printer Not Activated Error Code -20 Quickbooks.”
- Problems in registry files of windows.
- Invalid PDF converter’s configuration.
- Unsupported printer drivers
- Outdated windows OS.
- Wrong Quickbooks installation.
Important Pointers to Remember Before Repairing – Quickbooks Error Code 20 Printer Not Activated
Before you apply any fixation step, it is crucial to keep some important points in your mind to avoid any uninvited trouble.
Make a Registry Backup
First of all, ensure a registry backup. For that, navigate to the Registry Editor and then hit the tab on “Computer.”
- Then, you need to select “File” and click on “Export.”
- At last, tap on the “Save” option to conclude the step.
Making A System Restore Point
This step is for Windows 10, Seven, Windows Vista/ and Windows 8.
- Confirm that you have the latest Quickbooks version installed.
- Don’t log in as a guest, always log in as windows admin.
- If you have two QB versions on the OS, then verify that both are in separate installation directories.
- You need to install the 32-bit version of Windows in case you are Windows XP or Vista user.
Swapping the Directory
Some points to note before changing the directory:
- Make a backup the moment you do any change in the registry. In case, you are unable to repair the issue with the swapped registry, in such a situation you can use the previous registry.
- To handle any other complexities, make a system recovery point.
Closing the Final Draft
For closing the final draft, check these steps:
- For Windows 8 or Above:
- Firstly, tap on “Start.”
- After that, click the cursor on “Final Draft9/8.”
- Then, click “Run as Admin.”
- For Windows 7/Vista Users:
- To begin with, tap on “Start.”
- Then, select “Programs.”
- After that, click “Final draft 9/8”′ and choose “Run as Admin.”
- In the end, save your documents in PDF format.
Repairing Quickbooks Printer Not Activated Error Code 20
You can handle this troublesome error using the most reliable techniques mentioned below. Let’s check them one by one.
Method 1: Setting the Default Printer
- Firstly, tap on “Start”.
- Write “Control” in the vacant search area.
- Now tap on “Control Panel”.
- After that, tap on “Hardware and Sound”.
- Then choose “Devices and Printers”.
- Now, right-tap on your printer followed by choosing “Set as Default Printer”.
- Restart the system to save all changes.
Method 2: Uninstalling and Reinstalling Quickbooks
This is an efficient technique to repair “Quickbooks Printer Not Activated Error Code 20 Windows 10.” When you update software, you get more advanced tools, features, error fixes that make the software run smoothly. The steps to uninstall and reinstall are:
- First of all, close QuickBooks.
- Then, hold Windows+R.
- It will access the run box where you need to type “Control Panel”.
- Choose “Programs.”
- There, hit “Programs and Features.”
- The next step is tapping on QuickBooks and after that clicking on “Uninstall.”
- Now, click “Yes” if asked.
- Hit “Next” one more time and select “Remove”.
- After performing the above step, the software will get removed.
- At last, hit “Finish.”
Note: Before reinstalling the QB software, note down your Quickbooks Product & license number.
- The first step is uninstalling the software after clicking on the “Control Panel” option.
- The second step is downloading QuickBooks via the Internet or a CD.
- After that, install Quickbooks using normal mode.
- Going further, write Product & License Number in the box.
- After you mention the unique codes, your QB software will be activated.
- In the end, open QBs and your files to resume the remaining tasks.
Reinstalling QuickBooks via Clean Install
The QuickBooks clean install tool helps users renaming the previous installation folders allowing the software to include more files. The steps are”
- Begin the process of downloading Clean Install from Intuit website.
- Then, you need to save it in an accessible location.
- After that, tap on “Yes” if asked.
- The following step is approving the “License agreement” by tapping on “I Agree/OK”.
- Now, select the software with the right product version.
- Hit “Continue.”
- In the end, tap on “OK.”
Method 3: Customizing Windows Print Spooler Service
- Firstly, hold “Windows + R”.
- Write “Services. MSC” there in the run window.
- Hit “Enter.”
- Under “Services”, locate “Print Spooler Service.”
- Choose “Properties” and hit “Stop Print Spooler Service.”
- After that, choose the “Automatic option.”
- Now, tap on “Print Spooler” one more time and choose “Start.”
- At last, “Save a PDF” or you can also print something to see if the “Printer Not Activated Error Code 20 Quickbooks” is finally resolved.
Method 4: Allowing Permission through Registry Editor To Update The Registry Key
- For this step, you have to open “Registry Editor.”
- Press Windows + R, this step will open a Run window.
- There, you have to write “Regedit” and hit enter.
- Then, right-tap on the “Regedit” option followed by choosing “Run as Administrator.”
- Locate “HKEY_CURRENT_CONFIG” for accessing the registry editor.
- Right-tap on the software’s folder name and choose the permission.
- Confirm that you are having complete/full access control.
- In the end, hit “OK” and close the window and “Registry Editor” as well.
Once you finish the above actions, the QB software will receive permissions to the printer as well as all keys.
Method 5: Reinstalling USB Composite Device
- Firstly, hold “Windows + R”, it will open the run window.
- There, you have to write “Devmgmt. MSC”.
- Hit Enter.
- Stretch “Universal Serial Controllers.”
- After that, right-tap on “USB Composite Device” and choose “Uninstall”.
- Select Yes/OK, when asked.
- Then you have to detach the Printer USB from your computer and again connect it.
- The next step is following the onscreen instructions to install all drivers.
- Now, right-tap on “Printer” and hit “Print Test Page” for printing a test page.
- In the end, restart the computer to save all the changes.
Method 6: Disable UAC
Ceasing the User Access Control from tracking any windows or application is a useful step in fixing printer not activated error code 20 Quickbooks & sometimes for QuickBooks Script Error. The steps are:
- Hold “Windows + R.”
- Write “Control Panel” in the “Run” window.
- After that, hit “OK.”
- Then, click “User accounts” under the “Control Panel.”
- Going further, hit the tab on “Change UAC settings.”
- Now, you need to tick “Never to Notify.”
- At last, hit “OK” and reboot the PC.
Method 7: Fixing Microsoft Document Writer
The feature of Microsoft Document writer enables users in printing files. This preinstalled Windows component assists Windows to enable QuickBooks to save all information in PDF format. For fixing Microsoft document writer, follow these steps:
- To begin with, right-tap on the “QB icon” followed by choosing “Open File Location.”
- Then, visit “Temp Folder.”
- After that, find and click twice on “Exe File.”
- In the next step, you have to finish the installation process.
- Now “Open QuickBooks” to register the license.
- Going ahead, if you come across any problem during the process of installing “ABS PDF driver” then install it one more time.
- At last, print again and determine if the “Printer not activated error code -20 Quickbooks” is finally repaired.
Method 8: Using QuickBooks Print Repair Tool
This is the last but effective troubleshooting technique to repair Quickbooks error code 20 printer not activated. This method involved using QuickBooks Print Repair Tool which can be downloaded from the QB Tool Hub. The instructional steps are:
- Open Quickbooks Tool Hub and download the QuickBooks PDF Print Repair from there.
- Then, run the tool via administrator mode.
- After that, this tool will start to run and you will witness a red background. Then, you have to verify that the QB is updated.
- Going further, you have to check if the printer is using Quickbooks only to print or not.
- Once you run the tool, you will get a message/prompt to restart your PC.
- At last, check that there are no apps left open while running the tool.
This is all, you need to know about QuickBooks printer not activated error code 20. This informative post not only tells you the causes behind this error but also the proven techniques to fix it. These solutions are easy to understand and apply.
However, if you face any difficulty while completing any step then contacting Quickbooks Customer Support would be best. The dedicated team is 24*7 available to resolve all kinds of queries related to Quickbooks.
We hope that this article is sufficient to resolve the nagging error you are facing. If you have any thoughts or tips then do write them down in the comments section to inspire us.


text:
American animal shelter operators want to leave Afghanistan with their dogs. Some of the animals would have worked for the US troops. The Pentagon absolves itself of any responsibility.
Dog excitement at Kabul airport: The Pentagon has rejected reports of US military dogs in cages at the Afghan capital airport. The primary task of the US was the evacuation of US citizens, Afghan local staff and vulnerable Afghans, the Pentagon said on Tuesday. It also said: “The US military has not left any dogs in cages at Hamid Karzai International Airport, including (…) military service dogs.” Corresponding reports are wrong.
The background are photos that are circulating on the Internet and are supposed to show dogs at Kabul airport. The accusation: the US troops left them behind when they withdrew. The Pentagon now emphasizes that the dogs were under the care of the animal welfare organization “Kabul Small Animal Rescue” – not under that of the US military. “Despite an ongoing complicated and dangerous return mission, the US armed forces tried to support the Kabul ‘Small Animal Rescue’ as much as possible,” it said on request.
Money raised for cargo plane for animals
The organization has tried to get numerous dogs and cats out of the country since the militant Islamist Taliban came to power. She had last raised money for a cargo plane. When asked, she stated that the dogs had actually been under her care at the airport. They were service dogs from military contract partners. The same rules would not apply to these dogs as to the military service dogs. This is a “terrible distinction”.
The animal welfare organization SPCA said on Tuesday on behalf of the founder of “Kabul Small Animal Rescue”, Charlotte Maxwell-Jones, that she had to leave the airport on August 30th. It also said that most of the organization’s dogs had been released at the airport – which eventually turned them into strays.
It is unclear what happened to them then. The organization complains that the animals were not previously allowed on board the aircraft. The organization’s Facebook page recently said that everything would be done to save the “furry friends”.

domain: news


text:
GMT Partner offers you a new series of educational videos, under the general theme “Portfolio of Proprietary Trading Strategies”. This video series is the last part of the video course offered by the GMT Partner project.
The content of the fifth module of the video course includes the following sections: “Full version of the proprietary short-term trading strategy Double Barrel Gun”, “Proprietary scalping strategy Shuriken”, “Portfolio of proprietary trading strategies” and some others.
This video series is an integral part of the full educational course offered to the participants of the GMT Partner project. “Portfolio of proprietary trading strategies” and other topics in this series are studied by the project participants within the framework of the fifth module of the course.
The proprietary methodology of trading a portfolio consisting of several trading strategies mostly focuses on intraday trades conducted by the rules of the full version of “Double Barrel Gun” strategy. Despite this fact, each of the proprietary strategies included in the portfolio is self-sufficient and can easily be used for autonomous trading within an appropriate set of timeframes.
This video series is published on the popular video hosting service – Youtube. We will be grateful for your comments.

domain: economics


text:
At the "Power and Possibility of Individualised Learning" event held in Minneapolis recently, Sir Ken Robinson (pictured) reiterated the claim that children are naturally disposed to learn and that “it’s the construct of school” that beats a love to learn out of students. He went on to note that “the problems tend to arise when kids go to school because the deeper they get in, the more they start to lose interest”. Based on this talk, one journalist made the claim that “kids don’t fail, schools fail kids.”
At the heart of his argument is a canny bit of sophistry: it’s not schools and teachers that are to blame but rather it’s the system that’s to blame. The implication here is that teachers are either mindless automatons unable to think for themselves, fooled by an evil system into inadvertently beating a love of learning out of students, or we are complicit in the system forcing kids to guzzle down the neoliberal Kool Aid while laughing demonically as they struggle.
My experience of being a full-time teacher in various schools (something Sir Ken has never been, by the way) is that teachers are not beating a love of learning out of students but are working themselves to near-exhaustion to furnish kids with the kinds of knowledge and skills that will allow them to not just pass exams but also to flourish as human beings.
Despite this, working teachers are constantly bashed by "experts" who have little experience of being a teacher or school leader themselves and who deal in the nebulous rather than the specific, exhorting "creativity", "inspiration" or something "21st-century" without actually giving any concrete alternatives.
For too long now, teachers have been given answers to questions they didn’t ask, solutions to problems that didn’t exist – and all packaged under the crude inference that we are simply doing it all wrong. It is difficult to think of another profession that has been dictated to as much as education, and, depressingly, it’s difficult to think of another profession that has uncritically embraced this often unwarranted criticism as much as we have.
Robinson says that children lose interest the deeper they get into school. I can relate to this, because when I was 14 I pretty much lost interest in school, but it had nothing to do with school and everything to do with the fact that I was 14. As Rob Coe reminds us, learning happens when children have to “think hard” and this is anathema to most teenagers. Robinson wants to see kids being given more freedom and choice to do things that are more closely aligned with their own interests. Well, the more freedom and choice I had in school, the less I wanted to do things that would ultimately give me more freedom and choice later on in my life. As an avid reader, I didn’t want to study Shakespeare at school but wanted to read science fiction and contemporary poetry. It took me a university degree in English to realise that my understanding of contemporary culture would be spectacularly enriched by studying Shakespeare, not diminished by it.
This idea that everything has to be "relevant" to children is a debased view of the profession. The notion that children can only learn things through the prism of their own interests and that to ask them to consider things outside of that is somehow beating a love of learning out of them is demeaning, not just to teachers but to students themselves. Possibly the greatest thing a teacher can do is to introduce students to wondrous worlds beyond the limited borders of their own experience, to allow them to see the previously unseen and to make new and enriching connections that were hitherto unavailable to them.
A lot of the truly meaningful work that happens in schools is never seen by the gurus and thought leaders who gather at conferences and speak of “paradigm shifts”. In fact, it has nothing to do with timetables, exams or structural features but rather it happens in the interstitial moments of our day: the break time we give up to talk to a troubled child, the after-school clubs, the trips, the difficult calls home to parents and the heart-bursting pride we feel when we see a student achieve more than they ever thought possible.
Yes, the system is not perfect, but how could it be? We have many disastrous examples from the past of Panglossian idealism that has actually let students down rather than enfranchising them, and where is this supposed apocalypse that he speaks of? Standards of living in the West have never been better and much of this is down to our education system, which teachers and school leaders should feel proud – not ashamed of.
Carl Hendrick is head of learning and research at Wellington College. He tweets as @c_hendrick


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Re: Amy Winehouse one year later
cult of personality...
walk away from the BS stacked around the music and stay with your personal assessment of the music itself.
Standing in judgement of anyone is error realized...I dont know the personal experiences of kurt, janis, amy...and really...I dont want to.
I'm listening to music not marketing.

domain: celebrity


text:
Type of publication:
Type of document:
Ashfaq, H; Soliman, H; Fajmann, S; Sexl, V; El-Matbouli, M; Saleh, M
Kinetics of CD4-1+ lymphocytes in brown trout after exposure to viral haemorrhagic septicaemia virus.
J Fish Dis. 2021 44 (10) 1553-1562.
Authors Vetmeduni Vienna:
Vetmed Research Units
University Clinic for Poultry and Fish Medicine, Clinical Unit of Fish Medicine
Institute of Pharmacology and Toxicology
The role of SOCS Proteins in salmonid whirling disease
- T-helper cells express CD4 as a co-receptor that binds to major histocompatibility complex class II to synchronize the immune response against upcoming threats via mediating several cytokines. We have previously reported the presence of CD4 homologues in brown trout. The study of cellular immune responses in brown trout is limited by the availability of specific antibodies. We here describe the generation of a polyclonal antibody against CD4-1 that allows for the investigation of CD4+ cells. We used this novel tool to study CD4+ cells in different tissues during viral haemorrhagic septicaemia infection (VHSV) using flow cytometric technique. Flow cytometric analyses revealed an enhanced level of surface CD4-1 expression in the infected group in major lymphoid organs and in the intestine. These results suggest an important role for the T-helper cells within the immune response against viruses, comparable to the immune response in higher vertebrates.© 2021 The Authors. Journal of Fish Diseases published by John Wiley & Sons Ltd.

domain: biology


text:
Raise your work to a whole new level. This vise provides a solid grip and all-around access.
The design is based on a traditional style of vise once common in Europe. Stout hardwood jaws and rugged Acme threaded rods deliver all the clamping force of a standard vise but in a compact package. The narrow, profiled jaws let you work on a piece from a variety of angles. Perhaps best of all, the vise is elevated so it’s a real back-saver. The plan provides three ways to attach it to just about any worksurface or bench.
SELECT YOUR PLAN PACKAGE
What You Get:
- 11 printable (digital) pages of step-by-step instructions
- 40 full-color photos, illustrations and exploded views
- Shop-tested tips and techniques
- Materials list
- Retail sources for hardware and supplies
Note: After your purchase, you will receive an email containing a PDF attachment of your purchased plan, as well as instructions for logging in to download the plan and access any other associated files and videos, which will all be located on this page.
Similar Woodsmith Plans
Router Carving Jig
You can make a variety of beautiful, wooden bowls from the scraps you have laying around using our router carving jig.
The United States Customary System of Units (USCS or USC), more commonly referred to as the English or Imperial system, is the standard set of units for our plans. It uses inches and feet for measurement. This is the one you probably want if you are in the United States, and it is the one we have traditionally offered on this website.
The International System of Units (SI), more commonly referred to as the metric system, is the alternative set of units that we have available for some of our plans. It uses millimeters, centimeters, and meters for measurement. This is the one you probably want if you are outside the United States. These plans are provided by our business partner, Australian Woodsmith, and are based on the original Woodsmith plan. However, dimensions and other elements of the plan may vary between the metric and standard versions. Be sure to double-check the plan before building.

domain: design


The Beijing Automotive Group (BAIC) is the fifth largest automotive group in China. Through its own brands as well as in the context of its business transactions with partner companies, BAIC increased its revenue in 2013 to 33.3 billion US dollars with sales of 2.16 million vehicles, making it one of the most successful companies in the Chinese automotive industry.
It was no coincidence that the group decided on AUCOTEC's system platform Engineering Base (EB) for its harness design. "Unity" and "coordination" are terms which BAIC also uses in its guiding principles. The new system links and coordinates the different disciplines of the process and standardises the work. This shortens the processes and significantly improves the quality of design and documentation.
Advanced design workflow
Thus the Group decided on EB Cable in 2012 as it regarded its modern database structure as superior to other solutions. From its front-end architecture and data integration via the 3-D software up to the 2-D wiring harness drawings, its advanced design concepts were checked by the Beijing Automobile Research Institute and it was declared the standard wiring harness development platform for all vehicle models of the BAIC brands. The analysis revealed that EB reduces the designers' usual work in CAD by up to 95% in some areas due to its automatic processes.
All data – from the design requirements, system planning, design planning to the routing of the wiring harness – is based on the same data model. It integrates all project data in real time and thus ensures absolutely consistent interdisciplinary coordination of all designers involved. This means fewer data retrieval time, less coordination effort, no multiple data entries and fewer errors. Moreover, EB stands out due to its uniquely simple user guidance as a result of the integrated standard Microsoft tools.
Seamless exchange with manufacturers
It is of particular importance for BAIC that the largest wiring harness manufacturers in China also use EB as a standard internal design tool. The design and production capacities of these manufacturers have increased significantly because the uniform harness design, the wiring harness standards as well as the seamless data exchange save an enormous amount of time. According to BAIC's designers, EB thus ideally creates uniform, comprehensive and consistent engineering data that continuously promotes the innovation of BAIC's wiring harness technology.


Shipments have officially started as per this YT video posted on 2018 June 14th.
The Lift Foils YouTube channel is also now offering a complete How-To eFoils series (Maintenance, assembly, safety, practice… ). They took their time but here they are !
You can post here your info about Lift technical choices: motors, ESC, cooling, connectors, wireless…
That is a very nice build.
Totally high end product. There’s a lot of thought and work in their board. Wish the pricing was more reasonable, but you usually get what you pay for. Hopefully they sell a ton of them
Been surprised by the size of the battery charger seen in Initial Setup - Video #1
A really High-End recent (2017) one from the Canada-based Delta-Q, worth 500+ USD.
This charger contains Pre-loaded lithium charge profiles supporting various lithium-ion (Li-ion), lithium polymer (Li-Poly), or lithium iron phosphate (LiFePO4) cell and pack capacities.
Delta-Q IC1200 Charger 1200W with 48V 25A output.
It is possible to find cheaper 48V chargers such as the ones used in 48v Golf Carts but the recharge time is 4 to 6 hours instead of 2 hours (15 amps instead of 25).
48V 15 AMP Club Car Golf Cart Battery Charger for 190USD
I couln’t help looking at the battery life aspects. Lift have probably chosen Lithium-ion (Li-ion) cells because they have a better energy capacity, are cheaper and safer (explosion risk) than Li-Pos. However, both have a Recharge Life of 300 – 400 cycles, say 350. This means the battery pack should be renewed every 3 months in a school or rental place if recharged 4 times a day ! That’s a serious operational cost to take into account in a feasibility study ! From 8 or 9 am to 6 or 7 pm, only 8 persons riding 30 minutes each can use the board every day. That’s not many to make profits.
These videos are great insight into the Lift design.
Does anyone know the motor connectors they are using?
The idea I had in mind when creating the thread … a place where users could post their retro engineering info even if I am aware that users who can spend 12.000 USD in such an equipment are not legion on this forum … Hopefully, as soon as the Lift eFoil appears in various places across the globe, comments and picts with valuable info for home builders should pop up …ESC, motor, cooling, remote control, …
A call for pictures if you see one of them… plus two noticeable news from LiftFoils Instagram account:
- first eFoil with folding propeller used when going down waves (September 10 2018)
- [liftfoils]watch the hand controller pass from hand to hand. That is the first shot with a folding propeller. No power.
There’s no retractable prop. They just using the normal efoil in the surf.
Edited, they are folding and not retractable propellers.
When the engine is switched on, folding blades are spun outwards by centrifugal force.
When the engine is cut off, the pressure of waterflow forces the blades back in place streamline. Since the roots of the blades are linked with geared teeth, they open and close together with the same angle.
I’m not sure about that. Lift are so comfortably ahead of the competition that they can take time to test this kind of fancy prop not so difficult to 3D print or mill by the way.
They have probably been inspired by tests like this one from 2009:
On boats, folding props have proven their efficiency. Prop open, you can get better forward speed and pull compared to a fixed-blade one. Then, when folded, the drag is so marginal that it is difficult to measure. This feature seems to be praised by Lift when going down waves.
Unlike our eFoils with fixed blade props and nozzle. When the motor is cut-off the drag is present and can be measured by a luggage scale towed by a boat.
The winner of the above tests: https://flexofold.com from Denmark
Still collecting/gathering info…
In addition to what @Clarin has written in the previous post, I’ve noticed they have different names: Boat cam latch, Boat deck latch, Boat Latch, Hatch latch, Hatch Lock, compression latch. Sometimes, they are sold much cheaper without cam.
Although similar, they must not be confused with the pull (caravan) latches which don’t have cam (no compression needed) - 5 to 10 USD.
You can find the stainless steel models (SS316 only) on amazon, ebay, aliexpress - 12 to 30USD per piece:
Nice article about the Lift eFoil unboxing: https://e-surfer.com/en/lift-efoil-review/
“The Battery is made in Sausalito close to San Francisco by Lithos Energy”
interesting: high energy pack: 140A discharge but at 10sec pulsing, cycle life yes but C/2 discharge and C/4 charge…
reading : 18650 with 20C discharge capacity ??? like 1sec pulse
Great review and Lifts product is nothing short of spectacular! Love it!
The Lift eFoil folding propeller:
According to LIFT, in the ocean swell, a switched-off motor = a folded propeller = more battery life
A few remarks though. So far I was thinking that propeller blades :
1- needed to be three and not two for max efficiency (as Flying Rodeo is doing)
2- needed to be twisted in order to cut through water and not push water (Straight blades = swirl so perfect for food mixers / Twisted blades = efficient thrust for propeller blades)
Food for thoughts:
Here, the Lift team seem to favour the two-bladed and hardly twisted propellers as in the 2009 Yachtingmonthly.com propeller test above:
Maximum speed p94: untwisted two-bladed folding Flexofoil prop faster than
twisted three-bladed fixed version
"(...) Interestingly, some of the best performers were two-bladed props,
which are widely assumed to perform worse than three-blade versions."
Forward Bollard pull p95:
" the three-bladed folding Flexofold – generated a greater bollard pull than the
standard fixed prop" (with twisted blades)
the two-bladed folding Flexofold – generated equivalent bollard pull as the
standard three-bladed fixed prop with twisted blades.
It would be interesting to know the bollard pull of the LIFT folding prop versus the standard fixed and twisted three-bladed props delivered with the LIFT E1 and LIFT E1 Sport efoils.
While three bladed propellers are more common than two bladed, they are in general not superior. On the contrary: propeller theory says clearly that efficiency decreases with the number of blades. The main reason for five or seven bladed propellers on large ships is to dampen oscillations (= noise prevention).
Propeller design is a trade-off, to improve a certain aspect means a decline in one or more other aspects. So you have to decide which goal is the most important, depending on the special application of the propeller.
Yes its proven the fewer the blades the more efficient a propeller is but there are trades offs.
The open propeller to me is really dangerious. Infact any propeller-driven surfboard is ban in Canada by transport Canada becuse they are so dangerious and easy for a mistake/accident to happen. Its only a matter of time before some with an open prop gets really badly injured.
What about the ducted props ? Is the Canadian market also closed to models offering a ducted solution (LIFT, Fliteboard, …) so only allowed to waterjets (VeConcept) ?
Regarding the possible prop ban, among the existing solutions:
1- There is a patented “safety propeller”: Colin Chamberlain from Australia has added a thickened leading edge to existing metal propellers with low impact on performance.
First licensee, Turning Point Propellers of Jacksonville Florida https://turningpointpropellers.com/ has produced a whole range of the “Safer” propeller under their brand name, “Aegis.”
The patent filled: WIPO - Search International and National Patent Collections
The patent in pdf format here. I am not sure it applies to efoils or hydrofoils engines though.
It would be interesting if sbdy with sound CNC skills (David @Flying_Rodeo ?) could make a prototype of a propeller with thick leading edges (Inventor trail) or thick blades (first licencee trail) to demonstrate the inventor claim stating very low impact on speed.
2- the LIFT folding prop has already rounded blades which could be thickened and, better still, fold when hitting a hard stuff (arm, finger, knee…).
3- ring propellers offer a solution (seems that there is an efficiency issue due to rotating quard increasing the wet surface)
Continuing the discussion from The Lift E1 eFoil thread - info for the DIYer:
In my limited experience I have never fallen on the prop. I have fallen on the mast, the board and the wing but never on the prop! I have smashed my head, broken a rib and cut my arm. The sport has its inherent risks as all sports do, let common sense prevail. This is the reason I wear a helmet and impact vest.
I did talk with Transport Canada and they were very clear that ANY PROPELLER DRIVEN SURFBOARD with our without duct is ban in Canada is what I was told plus a $350 fine if caught using one. Jet driven surfboards are allowed.
Those rubber props I saw on this forum last year, they really are great for a family boat that does lots of towing…


text:
Sunday November 1, 2015, Governor Terry McAuliffe will travel across the Commonwealth to help Get Out The Vote for Democrats in Virginia. He will be joined by United State Senator Mark Warner.
Please find an event near you and help us make sure we keep Virginia Blue and Get Out the Vote for Democrats on November 3rd.
10:00 a.m. Governor McAuliffe to Canvass Kick-off with State Senator John Edwards in Roanoke. 1927 Franklin Rd SW Roanoke, VA 24014.
12:45 p.m. Governor McAuliffe to attend GOTV Rally with Senator Warner, and Dr. Jill McCabe in Broadlands. 42864 Truro Parish Drive, Broadlands, 20148.
1:55 p.m. Governor McAuliffe to attend GOTV rally with Senator Warner and Jeremy McPike in Manassas. PWEA 8510 Bucyrus Ct, Manassas, VA 20110
3:20 p.m. Governor McAuliffe to attend GOTV rally with Senator Warner, State Senator Lynwood Lewis, and Gary McCollum in Norfolk. 801 W Little Creek Norfolk, VA 23505.
4:45 p.m. Governor McAuliffe to attend GOTV rally with Senator Warner and Dan Gecker in Richmond. 8013 Buford Ct Richmond, VA 23225.