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Unread 20-07-2010, 20:02
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Re: Gearbox issues

An average roller blade rider can get going a little over 20mph, with the roller blades going slightly faster than that, say 25mph, which is about 37 ft/s. Get your wheel circumference and calculate how fast you need the wheel to spin. at max speed. Go to robot market place and pick out a geared motor that will fit in your space requirements, then figure out if it can apply any appreciable amount of power. Your average human can do about 350watts sustained, and up to 1700watts at a full sprint.
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