CG is at the center of the wing joiner tube. Elevator low rate is 1 1/4" , 2" high rates. Ailerons are 1" low rates, 2" high rates.. Rudder is 1 7/8" low rates, 2 1/4" high rates. This plane can be a real hand full on high rates if you aren't prepared, but a real blast to fly. Good luck