Quote:
Originally Posted by Saberbot
Doesn't a sphere give you a disadvantage as far as friction is concerned?
In a perfect spere only one point would be tangent to the ground.
In a wheel, the entire width of the tread is touching the ground.
Am I missing something?
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Regularly your traction is based on weight and COF. However with roughtop the tread locks into the carpet so this is ture.