Wind-tunnel acoustic results of two rotor models with several tip designs
By: R.M. Martin and Andrew B. Connor.
Contributors: Connor, Andrew B.; United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Series: NASA technical memorandum -- 87698
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1986
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Rotors (Helicopters) -- Noise.
Other titles: Wind tunnel acoustic results of two rotor models with several tip designs
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1986. 2 microfiches.