The shafts are pretty small, the metric equivalent of 1/8" so that, to me, seems to rule out rubber-type tubing. Does it come in that small of an ID and would it be stiff enough to do the job?
I called AM today and they are sending out a new plastic cup for the motor end of the U-joint. I'm still leery about the strength of the whole affair.
Everything inside the drive train is plastic. How well do these locomotives hold up in operation?
Mine is from the first run and I only ran it twice before it broke.
