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Unread 07-01-2009, 22:38
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Re: Are six wheels better than four?

Quote:
Originally Posted by squirrel View Post
I suppose someone who wants to use an extra wheel for instrumentation could calculate how much force it needs to contact the floor with, to prevent it slipping under maximum robot acceleration conditions (it would slip if it takes more torque to overcome it's own inertia, than will be transfered to it by the frictional force of it's contact with the arena). I expect it won't take (much) more than it's own weight. I haven't done the calculations....I'll leave that for the students
According to this link, you shouldn't have problems with instrumentation slippage done in this fashion, due to the fact that you can use a higher COF wheel.
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