With this rudder size it will high alpha KE on low rates, which is set to about 35%. Not very good at KE loops with the UCD as I've been battling the dive to the wheels. On highrate rudder it will come right around very tight but falls out at the top. With the rudder slaved to the elevator, its speed sensetive, as I have not set all five points on the radio yet. What I'm saying is that with flaperons it was easy. Much less input to keep it from diving. The rudder to elevator mix was set up mainly for cross wind landings to keep it from diving in. The rudder mod was for roll coupling and there isn't any noticible difference in rudder authority.

Unless my plane is too heavy, I've always struggled with the recommended throws for this model, or maybe expecting too much at slightly higher speeds. Unless in a hover, I found that max elevator and rudder will snap this plane out. Rudder, meaning the wheel dive and elevator will snap it on tight loops. I will have to measure my throws, but they are not much. Joe