rotor

Dear fellow flyers After a bad crash with our mjx bugs 3 the enige got unbalanced, is this fixable ? It landed semi head first on the propeller which now makes more sound and gives less power. There is a bit extra heat but no visible damages when we fly with this engine. I think the bearing is...

Hey everyone, I have a Swann Fly Eye Quadcopter that's started having an issue after a crash. The front-left rotor is not spinning at all while the other rotors spin for one second then cut out with the LED lights flashing. If I return the throttle stick to off and then reapply the throttle it...