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Re: pic: Cone-Wheel Concept
How does the wheel get traction? It appears that as the wheel is driven forward or backward the rollers will spin and not generate any tractive force.
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Theory is a nice place, I'd like to go there one day, I hear everything works there.
Maturity is knowing you were an idiot, common sense is trying to not be an idiot, wisdom is knowing that you will still be an idiot.
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