One of our club members has the Midwest Cap232 non airfoiled surfaces on his, and he has a Brison 3.2 on it and it flies great, one of the nicest flyers I've seen. It has good power, I dont know how it would compare to your Q42 as I am not into gas engines. I've only seen him so far doing knife edges, flat spins and harriers. But it is a great flyer. Daz...