Rotor performance characteristics from an aeroacoustics helicopter wind-tunnel test program
By: Danny R. Hoad, Joe W. Elliott and Nettie M. Orie.
Contributors: Elliott, Joe W.; Orie, Nettie M.; Langley Research Center
Publisher: Langley Research Center
Published: 1986
Place of publication: Hampton, Va
Number of pages: 96
Subjects: Aircraft noise; Rotary wings
Notes: Bibliographical references: p.8.