Reply To: Pittsburgh Incline Home › Forums › LUG discussions › Pittsburgh Incline › Reply To: Pittsburgh Incline February 19, 2018 at 10:10 am #26105 Bob GrierParticipant @whitesidewjw, Tom Frost built a differential for us that will build in a “pause” between when the motor reverses direction and when the drums start rotating and the cars start moving again. Can’t wait to try it out on Sat.!