Is there a Model Railroader who can help me?

Question by : Is there a Model Railroader who can help me?
I need answers.I have an HO scale model train with four locomotives and about thirty cars,Evey time I run them they make a couple of trips around the layout and then either jump the track or come uncoupled from each other.I have tried everything I could think of but nothing seems to go right.What can I do?

Best answer:

Answer by Mike1942f
Cars uncoupling or locomotives from each other or cars?
Do the locos each haul a few cars?
It may be then that the motors in each of the locos are producing different speeds from the same voltage and thus the second (or third) in line is pushing the one in front and uncoupling. Normally, the extra locos in HO setups are dummy shells so they look like heavy haulers but don’t have to deal with this problem.
Where are your very light cars and loco shells if you have them? Where are your heavy cars? Do you have any cars that don’t roll freely when you give them a push loose on the track?
It may be that your train is tail heavy or tail dragging and the rear weight is pulling the light cars off the track on the inside of curves.
Of course, your track may be uneven or out of alignment at the joints.

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