Quote:
Originally Posted by Greg Woelki
This one?
Well keep in mind that, while more wheels will keep the tread pattern from wearing down as quickly, doubling the number of wheels will give only a very minor improvement in traction since, while it is simplified, friction very closely equals N*mu. Having a wheel on each side will significantly increase the torque required for pivoting and it will probably take a minimum of a quarter of a second or so to rotate a module 180 degrees.
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Dangerous statement here. I agree with everything you said EXCEPT the claim of .25 seconds to go 180*. That speed would actually be pretty quick for most swerves people are currently running.