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I was hooked...
silly title, but it hooked me.
Of course you are right. Ratio is always in relationship to the size of the moment arm at the other end. But for a given size wheel (say 6 inches) the ratio is VERY important.
Joe J.
P.S. Dr. Joe's Rule of Thumb: The approximate ratio most robots should have between the armature of the drill motor and the wheel is 10 times the diameter of the wheel (measured in inches). If you are climbing ramps, pushing heavy objects, racing to the other end of a gym, or in some other special case, things may change, but for just flat floor tooling about this formula is a pretty good place to start. JJ
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