Helicopter blade-vortex interaction locations
Subtitle: scale-model acoustics and free-wake analysis results
By: Danny R. Hoad.
Contributors: United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Series: NASA technical paper -- 2658.; AVSCOM technical memorandum -- 87-B-1.
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1987
Place of publication: [Washington, D.C.]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Rotors (Helicopters)
Other titles: Helicopter blade vortex interaction locations.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1987. 2 microfiches.