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Old 01-30-2010, 08:25 PM
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2door 2door is offline
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Join Date: Sep 2008
Location: Littleton, Colorado
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Default Re: Mechanical efficiency of chain drive vs roller drive

You might try here> bicycle engine kit, bike engine, bicycle engine, bicycle motor I've ridden most of the bikes pictured on the home page and can say they all have performed admirably. The rack mount design that incorporates a jack shaft over the rear wheel eliminates the off-center mount that you have adopted. That being said I've also ridden a friction drive that had the engine mounted off set to the rear wheel, much like yours, and could not discern any off balance tendencies.
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