An improved computational procedure for determining helicopter rotor blade natural modes
By: William H. Weller and Raymond E. Mineck, Structures Laboratory, U.S. Army R&T Laboratories and Langley Research Center
Contributors: Mineck, Raymond E., joint author; United States. National Aeronautics and Space Administration. Scientific and Technical Information Office; Army Research and Technology Laboratories (U.S.). Structures Laboratory; Langley Research Center
Series: NASA technical memorandum ; 78670
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Office; for sale by the National Technical Information Service
Published: 1978
Place of publication: [Washington]; Springfield, Va
Language: eng
Number of pages: 85
Subjects: Rotors (Helicopters) -- Mathematical models
Notes: Aug. 1978

Includes bibliographical references