OK, guys. Here's the straight scoop from a B&W engineer. As I contended in another thread, he said that the Turnover Ball base and Companion FW hitch =system=, carries the vast majority of the pin l...
Actually it's called the "Draw Down Bolt", not "Hold Down Bolt". And basically it just takes the slack out of the system between the ball and the pin that holds the ball in the base.
I guess if I got out my dial gauge and mag base I could measure the amount of deflection present when I put my toyhauler on the hitch, but I'd have to use that because I sure can't see anything.