B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
244/16
B64C 11/34 (2006.01) B64C 27/54 (2006.01) G05D 1/08 (2006.01)
Patent
CA 1085368
HELICOPTER PITCH RATE FEEDBACK BIAS FOR PITCH AXIS MANEUVERING STABILITY AND LOAD FEEL ABSTRACT OF THE DISCLOSURE The longitudinal cyclic pitch channel of a helicopter has a negative pitch rate feedback bias added thereto when flying at higher speeds, thereby to stabilize the pitch axis against aft-load maneuvering instability and/or to induce a requirement for the pilot to provide a countermanding longi- tudinal cyclic pitch input through his cyclic pitch stick, the normal feel force of which provides an indication to him of the loading of the rotor as a consequence of undergoing pitch rate maneuvers.
300455
Adams Don L.
Cotton Lou S.
Tefft Franklin A.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
United Technologies Corporation
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