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Open Loop Higher Harmonic Control Flight Testing on X2® Aircraft

Michael R. Monico, Thomas A. Millott, Mikel J. Brigley, Eric J. Renzulli, David M. Ryan, Sikorsky a Lockheed Martin Co.

https://doi.org/10.4050/F-0081-2025-0286

Abstract:
In April of 2024, Sikorsky flight tested an open loop Higher Harmonic Control system on an S-97® helicopter. The S-97® helicopter is a prototype aircraft, based on Sikorsky's X2 Technology™, that first flew in May 2015. It has contra-rotating, stiff in-plane main rotors with fly-by-wire controls, and a pusher propeller. This paper describes the HHC design, how it was implemented on the aircraft, how it was tested, and what the test results were.


Open Loop Higher Harmonic Control Flight Testing on X2® Aircraft

  • Presented at Forum 81
  • 12 pages
  • SKU # : F-0081-2025-0286
    • Dynamics

  • Your Price : $30.00

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Open Loop Higher Harmonic Control Flight Testing on X2® Aircraft

Authors / Details: Michael R. Monico, Thomas A. Millott, Mikel J. Brigley, Eric J. Renzulli, David M. Ryan, Sikorsky a Lockheed Martin Co.