Dave Zucal posted:Al, something else that would be cool to add to your creation, would be a vibrator motor. I don't know if their used all the time, but during the winter months when the wet coal freezes to the sides of the hopper car, a vibrator activates when the rotary reaches full dump position to break loose the frozen coal and help completely empty the car out. If a motor was mounted under the tracks that was activated by a switch at full dump, giving the effect and the sound, it would be awesome.
I have been around a few coal dumpers, and the only ones I know that use vibrators are bottom dump systems. A rotary dumper like this uses a that shed to warm the cars up before turning them over.
