@VADarthDad posted:Thanks @Vernon Barry. Using test leads directly to the red and black wires, while on rollers, indicated that the rear motor with the tach tape was spinning freely and without issue. The front motor, however was intermittent, jerky, and kept hanging. When the front hangs, if I spun the flywheel by hand, I could get it to maintain power, but it is no where as smooth as the rear motor.
Expected. The motors are BOTH getting the same voltage at the same time. One has a tachometer feedback, one does not. When you slow the non feedback motor, nothing voltage wise changes, when you slow the tach feedback driven motor then BOTH see an increase in voltage.
