@RickO posted:Totally normal, that's how speed control works in a dual motored loco . When loaded on the track ,the voltage will even out.
Every Lionel diesel also reacts that way.
Oh wow! I thought I was onto something. I was thinking that was the cause for the runaway speeds this loco experiences. The little ring on the rear flywheel is intact. Could a runaway engine be because of the driver unit?
