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SR-7A aeroelastic model design reportA scale model was designed to simulate the aeroelastic characteristics and performance of the 2.74 meter (9 ft.) diameter SR-7L blade. The procedures used in this model blade design are discussed. Included in this synopsis is background information concerning scaling parameters and an explanation of manufacturing limitations. A description of the final composite model blade, made of titanium, fiberglass, and graphite, is provided. Analytical methods for determining the blade stresses, natural frequencies and mode shapes, and stability are discussed at length.
Document ID
19880019544
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Nagle, D. (Hamilton Standard Windsor Locks, CT, United States)
Auyeung, S. (Hamilton Standard Windsor Locks, CT, United States)
Turnberg, J. (Hamilton Standard Windsor Locks, CT, United States)
Date Acquired
September 5, 2013
Publication Date
October 1, 1986
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
HSER-9251
NASA-CR-174791
NAS 1.26:174791
Report Number: HSER-9251
Report Number: NASA-CR-174791
Report Number: NAS 1.26:174791
Accession Number
88N28928
Funding Number(s)
CONTRACT_GRANT: NAS3-23051
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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