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Unread 13-10-2004, 08:17
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tkwetzel tkwetzel is offline
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AKA: Tyler Wetzel
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Re: gliding wheels....

The only thing that I can think of that would allow this is a clutch like in a car with a manual transmission. There are one-way clutches that would allow you to free-wheel, but only in one direction, and I am not exactly sure how a bike hub works to allow it to free-wheel in both directions.

One thing that might work is a centrifugal clutch. We have one on the mini-chopper that my friend and I built. It is mounted on the output shaft of the engine and lets the engine idle up to a certain speed. When the engine speed increases, there are clutch shoes that move outwards and grab the drum around them to turn it. There is a sprocket already attached to the drum. I do not know if there is a cenrifugal clutch that would work on a FIRST robot due to the speed and torque required to engage it, but it is something to look into.
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