(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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What goes into a Pedal Easy design? In developing and refining our e-bikes we make use of bench-type testing to supplement field-testing. We have been doing this on an ongoing...
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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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With their relatively high handlebar height and upright riding position our bikes are clearly designed for comfort. Distribution of the bike’s weight “fore-and-aft” is also important and we have paid...
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Our bikes have blended characteristics of a road bike (light weight, large diameter wheels for low rolling resistance) and characteristics of a city bike (somewhat wider tires, non-drop handlebars, more...
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In 2016, international airline restrictions (IATA) were imposed prohibiting air travel with lithium-ion batteries of greater than 100 W.h capacity. Since virtually all e-bikes use lithium-ion batteries well above this...
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Efficiency is a key consideration in engineering an ultra-lightweight vehicle of any type. Following is a more detailed discussion. Motor Our motors have an efficiency (ratio of output power at...
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These are photos showing the exterior and interior of a well-used Pedal Easy hub motor. Detailed internal inspection showed no sign of significant wear, dirt, or corrosion, and it was still well-lubricated with...
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This is a summary of a 3 ½ year field-test of an NCR lithium-ion battery. For discussion of our batteries in general refer to discussion 4, “Battery technology”. For 2022...
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