version 2.0 of my tire truer. this time i added a losi RC car motor which drives a parma slot sprocket, which drives the ninco prorace pulley. instead of the ninco belt, i used an o ring. so far, the o ring seems to be holding up much better than the ninco belt, and there is zero slip. the rc motor with a gear reduction gives me a much wider range of speed over the dremel. i can now spin the tires as slow or as fast as i want. with the dremel i was stuck with a very fast minimum speed.
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