Joe's controller had been going from 0 to 80 amps instantly, and then smoothly from 80 amps on up. I finally figured out what was going on! Ya! Long story short, it's easy to fix. In fact, I don't need a new coupler! The banging I kept feeling was the immediate transition to 80 amps. I just never had a motor current monitor, so I didn't know what it was.
Now I think we need some sort of filter on one end of the controller, and then a fan on the other end, and that will keep the air moving, to extend Joe's controller's life. Maybe the material in a car air filter?
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