Blackhawk tail rotor clips into itself and self destructs.

Blackhawk tail rotor clips into itself and self destructs, repeatable and consistent. Feeling from my hands on the controls it feels like at a certain tail rotor speed in the axis if the main rotor mast aka axis of rotation it begins clipping into itself. For context I am intentionally inducing all the motions and the aircraft is reacting as it should its simply achieving that aforementioned velocity and prompting the clipping. Also experiencing some single moments of clipping in hard rolling motions like when attempting hammerhead turns or Immelmann-adjacent maneuvers.
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