Originally Posted by
Evil Twin
Possibly a little negative pitch in the rigging at full down collective. Our 412's bounce a bit at idle and a smidge of collective sorts it out.
You mean asymmertical negative pitch at full down collective?
Well I can see how the rigid head of a BO would translate uneven lift into mast torque and vibration,
but a teethering head would simple have one blade tip lower than the other, tilt accordingly and not "tell the frame" about it, no?