1963maniac Posted December 30, 2020 Posted December 30, 2020 (edited) I have built a Roller Coaster from two 10261 sets plus additional parts. The chain drive has five more incline tracks (26561) than the original 10261 otherwise it is built exactly the same. It was running great, but now it wants to pull the tower end toward the chain drive at the bottom. It does not seem to be stuck and the motor is running. Seems to be an awful lot of torque. It has a PF L motor driving the chain. Has anyone else built such a beast and had this kind of problem? I'm wondering if I'm expecting too much from this system. I figured out a solution. More bracing was needed. Edited January 1, 2021 by 1963maniac solution found Quote
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