do you know how many rpm that human can rotate by manually on pulleys?
Apr 26, 2008 by ana | Posted in Engineering
how about i use 17 cm diameter size for the drive and 6cm for driven size. Actually i use a chain to connect two of these likes sprocket in motorcycles.
Well, if there isn't any friction it approaches infinity rpm. You need to clarify this question.
themcnasty | Apr 26, 2008
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