Denny Esterline gmail.com> writes: > It's gonna take a bit more time than I have at the moment for a reasonabl= e > write up, but it seems that my sector table -> math -> commutation table > was energizing coils about 45 degrees ahead in one direction and only abo= ut > 20 degrees ahead in the other direction. And in the bad direction, it > wasn't changing state until a few degrees past the zero torque point. So = in > essence, it was pulling backwards for some part of the cycle. Thanks Denny, I would be interested to read your write up when you have tim= e to do it. =20 Sergey=20 http://beaglerobotics.com --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .