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Theory and comparison with tests of two full-scale proprotorsA nine degrees-of-freedom theoretical model was developed for investigations of the dynamics of a proprotor operating in high inflow axial flight on a cantilever wing. The theory is described, and the results of the analysis are presented for two proprotor configurations: a gimballed, stiff-inplane rotor, and a hingeless, soft-inplane rotor. The influence of various elements of the theory are discussed, including the modeling used for the blade and wing aerodynamics, and the influence of the rotor lag degree of freedom. The results from full-scale tests of the two proprotors are presented and compared with the theoretical results.
Document ID
19740026392
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Johnson, W. (Army Air Mobility R and D Lab. Moffett Field, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Publication Information
Publication: Its Rotorcraft Dyn.
Subject Category
Aerodynamics
Accession Number
74N34505
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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