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Optimizing tuning masses for helicopter rotor blade vibration reduction including computed airloads and comparison with test data [microform] / Jocelyn I. Pritchard ... [et al.].
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
1992
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Recent advances in multidisciplinary optimization of rotorcraft [microform] / Howard M. Adelman, Joanne L. Walsh, Jocelyn I. Pritchard.
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity, [1992]
1992
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Vibro-acoustics modal testing at NASA Langley Research Center [microform] / Richard S. Pappa, Jocelyn I. Pritchard, Ralph D. Buehrle.
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
1999
0 resources
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