Flaps setup
This is how I have a CG super chipmunk set up with 6xas radio.
6->2 Flap-> Elevator Mixing Direction "-" Amount "25%"
2->6 Elevator -> Flap Mixing Direction "+" Amount "30%"
Hope this helps you.
By the way, I have a Y.S. 61ls swinging a 13x8-plenty engine for this plane.