RE: Thunder Tiger F8F Bearcat ARF - Navy Version
My guess is the stabs were coming off due to elevator flutter. The leading cause of elevator flutter is control rod flex coupled with the fact that the elevators are not counter-balanced. I used the stock balsa control rod and a lot of guys said "that's not strong enough, use a CF rod" I got a pretty thich CF rod (7mm) and found it had a lot more flex than the balsa (which was almost as heavy as spruce) So I went with the stock components.
I'm sure the overkill motors don't help the situation.