Investigation of a bearingless helicopter rotor concept having a composite primary structure
By: Richard L. Bielawa, Marvin C. Cheney, Jr., and Richard C. Novak ; prepared by United Technologies Research Center ... for Langley Research Center and U.S. Army Air Mobility R & D Laboratory.
Contributors: Cheney, Marvin C.; Novak, Richard C.; United States. National Aeronautics and Space Administration.; United Technologies Research Center.
Series: NASA contractor report ; NASA CR-2637; NASA contractor report -- NASA CR-2637.
Publisher: National Aeronautics and Space Administration; for sale by the National Technical Information Service
Published: 1976
Place of publication: Washington; Springfield, Va
Language: eng
Number of pages: 248
Subjects: Rotors (Helicopters) -- Testing.
Notes: Contract no. NAS 1-10960.

Issued Oct. 1976.

Includes bibliographical references.