I thought the bushing was primarily for for and aft motion of the upper mast, not twisting. If this is normal, then okay, I will fly more at ease since seeing it for the first time in action unnerved me.
Hello all. I thought I would post to see what others' experiences are. Here is the situation: I am about three hours into my phase one flight testing and I happened to look up at the rotor head just to see how things were going up there and the head had "shimmy" to it. It seemed to be...