Virtually all electric bikes now use radial flux brushless DC motors (BLDC). These motors however, vary considerably in audible noise level. Many (particularly geared hub motors) produce quite a noticeable...
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“Efficiency” is key to engineering an ultra lightweight vehicle of any type. Both motor and drivetrain electrical and mechanical efficiencies have been optimized in our bikes: Motor With a...
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(Paper presented to Ontario Science Expo Youth Group, Nov 2013) For the past four years I have been working on what I consider to be the ultimate vehicle…the lightest...
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(Paper presented jointly by Ron & Claudio Wensel at University of Ottawa Heart Institute, 26 September 2013) First & foremost I want to thank you, the team members of this...
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Serial number__________________(metal-stamp on underside of frame bottom bracket) Safety Checklist: Brakes Check that both front & rear brakes effectively stop the bicycle Check cables and housings for kinks, corrosion...
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Over the past few years my wife and I have travelled to numerous places for extended cycling trips of various types… cycle-path touring in Belgium and the Netherlands, road touring...
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Our “hybrid” model bikes have characteristics of a road bike (light weight, 700c large diameter wheels for low rolling resistance) and characteristics of a light-duty mountain bike (somewhat wider tires,...
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Most people, in North America at least, are familiar with derailleur type gearing on bicycles. Most mountain bikes and road bikes have derailleur gearing, which is characterized by multiple sprockets...
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Panasonic NCR lithium ion chemistry Our e-bikes use lithium-ion batteries. However, there are many available types of lithium-ion battery. Performance, cost, and safety characteristics differ depending on lithium-ion type. When evaluating...
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Bench-testing On this website and in our promotional literature we make reference to our use of bench- type testing to supplement field-testing. Although research and development engineers use such testing...
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