Hi Bren,
The jerky movements in your locos you have said you dont run often sounds like a contact issue possibly ...... have you cleaned the wheels /track lately as a speck of dirt on a wheel/s can make the difference in the running.
The jerky movements in your locos you have said you dont run often sounds like a contact issue possibly ...... have you cleaned the wheels /track lately as a speck of dirt on a wheel/s can make the difference in the running.