Caused by rotating parts at different speeds, sending waves of vibration throughout different parts of the heli. Mainly cause by bad bearings, bent Spindles chipped blades, poorly set up TT.
Apr 25, 2016
Caused by rotating parts at different speeds, sending waves of vibration throughout different parts of the heli. Mainly cause by bad bearings, bent Spindles chipped blades, poorly set up TT.