RE: YAK 54 Crash during maiden flight
Hard to tell the reason why behave like that. If you checked everything before flight, all are OK, then might be aileron loosen uP, during takeoff vibration, or servos gone mad/loss connection with receiver..
It happened to me once, checked everything OK, then punch for take off, drifted left and cannot counter.. upo checking the dual servo, one of the servo on the left, is not screwed in and popep off...just imagine 90 powered scale plane at full take off speed.. whew almost collecting balsa dusts..
sorry for what happen to you.. check you antenna also, might be loose or broken wire inside reciever... who knows