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Preview The design and testing of a low-cost, globally-manufacturable, multi ... pdf file

Sep 2, 2009 ... LFC drivetrain to be composed of a lightweight, low-cost, single gear ratio chain drive ... a 4:1 change in mechanical advantage, equating to leverage that ... world with off-the-shelf bicycle parts and cope with varied terrain ... The LFC achieves a multi-speed, fixed gear ratio .... maintain throughout the trial.



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