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[quote user="dinwitty"] [quote user="twomule"][quote]Ours has a surging type of lurching on the down hill as slow speeds.[/quote]But so did the prototype [:D][/quote] Roofles!!! The mechanics are different on the model vs proto. MDC is geared straight to the trucks and the side linkages go for the ride and don't carry the power. I have no clue if the Bachmann uses the linkages to transfer the power, but on the downhill the train will cause the powering to loosen up and speed up till it hits the gearing in reverse and kick the motor faster.Then it speeds up again till it hits the other direction of the gears and slows down.Depending if the throttle was up on the prototype and brakes not set, it would hitch too.[/quote]Go back and re-read the posts from the beginning. The person was referring to their Bachmann lurching, not an MDC, and yes the Bachmann is powered through the drivelines, like the prototype. I have have both am I am quit aware of the mechanics of the MDC and the Bachmann thank you Mr Roofles.  [^]
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