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Lloyd, you did a pretty good job of summarizing the "rubber hitting the road" end of it - I was leaning toward the same description of friction; if I plagiarize any of your post in our paper I'll be sure to give you credit.
On another note, has anybody seen the teaching unit from FIRST Place on motor power? Goes through pretty good detail on correlation between torque, speed, efficiency, current, etc. Just curious - I wrote it and haven't gotten any feedback from anyone who has used it.
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Close enough to taste it, too far to reach it
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