[turbotom123]

A friend of mine had that same problem with his raptor 50 titan. He tried changing parts one at a time and the last part changed was the blade grips. If you are using the plastic grips they wear quickly with 3d throw. I am currently flying a raptor 50 also and i am using futaba 9252 on aileron and elevator, jr 8611a on collective and 9254 on the throttle and rudder and a gy401. Hope that this info will help you out.