Originally Posted by
Sam W
The nodal beam is designed to only reduce fundamental main rotor 2/rev vibration and actually reduces loads in the airframe and on the xmsn/rotor side by allowing it to move in response to 2/rev rotor loads. It has no ability to mask any other vibration frequencies. Therefore, any abnormal vibration will be felt by the pilot just like in the 206.
Understood. But if it is masking 2/rev vibrations, what if those are reaching the limits of travel of the Nodamatic suspension system? Such limits must be reached eventually? What loads are transmitted between the parts once that is happening?