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Old 10-24-2010, 06:08 PM
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Doc Sprocket Doc Sprocket is offline
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RPM has to be calculated, but I would think the engine would have to drive a jackshaft for a primary reduction, then the jackshaft would drive say, the larger sprocket on the crank, then the smaller sprocket would go to the wheel. You'd lose the high-low shift, but retain the shifting at the rearend. Alternately, if you could find a way to add another sprocket to the pedal crank, the engine could drive IT, leaving the factory shifting intact.
Treat it as you would an aircraft frame and you should have no problems. -Name Withheld
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