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A Study of Gust and Control Response of Model Rotor-Propellers in a Wind Tunnel AirstreamOne-ninth-scale model hingeless and gimballed rotor-propellers were tested at an advance ratio of 0.7 in the Wright Brothers Wind Tunnel at MIT, in the presence of sinusoidal longitudinal and vertical gusts produced by a gust generator of novel design. The gimballed rotor was also subjected to sinusoidal collective and cyclic control inputs. Model test data in terms of blade inplane and out-of-plane bending, longitudinal and lateral gimbal motion, wing vertical and chordwise bending, and blade and wing torsion are presented and compared with theory.
Document ID
19760006962
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Ham, N. D. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Bauer, P. H. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Lawrence, T. H. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Yasue, M. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Date Acquired
September 3, 2013
Publication Date
August 1, 1975
Subject Category
Aerodynamics
Report/Patent Number
ASRL-TR-174-4
NASA-CR-137756
Accession Number
76N14050
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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