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New rotation-balance apparatus for measuring airplane spin aerodynamics in the wind tunnelAn advanced rotation-balance apparatus has been developed for the Ames 12-ft pressure tunnel to study the effects of spin rate, angles of attack and sideslip, and, particularly, Reynolds number on the aerodynamics of fighter and general aviation aircraft in a steady spin. Angles of attack to 100 deg and angles of sideslip to 30 deg are possible with spin rates to 42 rad/sec (400 rpm) and Reynolds numbers to 30 million/m on fighter models with wing spans that are typically 0.7 m. A complete description of the new rotation-balance apparatus, the sting/balance/model assembly, and the operational capabilities is given.
Document ID
19780048477
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Malcolm, G. N.
(NASA Ames Research Center Moffett Field, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Subject Category
Research And Support Facilities (Air)
Report/Patent Number
AIAA PAPER 78-835
Meeting Information
Meeting: Aerodynamic Testing Conference
Location: San Diego, CA
Start Date: April 19, 1978
End Date: April 21, 1978
Accession Number
78A32386
Distribution Limits
Public
Copyright
Other

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