Heli 770 rrProfessor Location: Lemon Grove, Ca. USA.
My Posts This: Topic Forum | All of mine will do that. If you notice on the top side of the gear it will rub on the frame and create white dust from the gears, To the front of the frame I'll file down the frame on both sides so the gear will clear the frame, on the back side I leave the frame as is on both sider, This keeps the main gear level for the pinion gear. |