Acoustic test of a model rotor and tail rotor
Subtitle: results for the isolated rotors and combined configuration
By: R.M. Martin, C.L. Burley, J.W. Elliott.
Contributors: Burley, C. L.; Elliott, J. W. 1833-1915.; Langley Research Center.
Series: NASA technical memorandum -- 101550.
Publisher: National Aeronautics and Space Administration, Langley Research Center
Published: 1989
Place of publication: Hampton, Va
Language: eng
Format: Microform
Subjects: Rotors (Helicopters) -- Noise.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1989. 1 microfiche.