Problems building a train on rails


I take part in a university project to build a simple train game. We just started to write testprogramms with jME Physics and it is really impressive how many possibilitys jME offers. We just reached a point where we

Ive had similar issues when trying to use triangle collision, I had to use primatives in place of triangle collision, for instance I used a series of culled boxes at different rotations to achive a cylinder and then attached a model to the dynamic node so it looked like a cylinder. it may make for bumpy wheels though, I didnt use it for wheels.