We understand that you probably will only use 1 gate most of the time to load and unload horses, but what happens if a horse goes down, and it is on the opposite side of the entry/exit gate? How can you get to him/her quickly, especially if you have other horses in the machine? How do you get the horses out, so you can get to a horse that pulls a muscle, or trips and cannot physically move, and who is a great distance away from the entry/exit gate?
Chain Drive Systems
Sprocket teeth and roller chain links wear with time; the roller links become sloppy, one has to continually tighten up the chain. Therefore, chain drives are not good for repeated on/off & reverse directional operation. There is continued maintenance on the links along with monthly greasing of the roller chain.