Experimental performance and acoustic investigation of modern, counterrotating blade concepts
Subtitle: final report
By: G.E. Hoff, et al.
Contributors: Hoff, G. E.; United States. National Aeronautics and Space Administration.
Series: NASA contractor report -- 185158.; NASA contractor report -- NASA CR-185158.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1990
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Aircraft gas-turbines -- Blades.; Airplanes -- Turbine-propeller engines.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1990] 7 microfiches.