ROGER1 posted:I just tested the commutator with a multimeter. Between 2 of the plates, I get close to 2 ohms. The other two combinations yield a value of 17 ohms. Do I have a bad armature?
I was about to check on your traction progress.
Check to be sure it isn't 1.7 ohm. But I agree it is armature time. There should be about 2ohm on each. The more equal, the smoother it can run. There should be no contact from plates to shaft as well. (echo)