B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
244/17
B64C 27/04 (2006.01) B64C 1/16 (2006.01) B64C 1/26 (2006.01) B64C 5/10 (2006.01) B64C 9/02 (2006.01) B64C 9/08 (2006.01) B64C 27/00 (2006.01) F16F 15/00 (2006.01) F16F 15/04 (2006.01)
Patent
CA 1121787
HELICOPTER WITH STABILATOR DETUNED IN ANTISYMMETRIC VIBRATION MODES FROM MAIN ROTOR WAKE EXCITATION FREQUENCY ABSTRACT OF THE DISCLOSURE A helicopter stabilator having naturally high response to the main rotor wake excitation frequency in roll and yaw stabilator vibratory modes is selectively mounted so as to be detuned therefrom in antisymmetric stabilator vibratory mode without adversely affecting symmetric stabilator vibratory modes, stabilator vertical stiffness, or stabilator pitch stiffness. -1-
330749
Kuczynski William A.
Marshall John II
Swabey Ogilvy Renault
United Technologies Corporation
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