Research Catalog

  • Modal analysis of multistage gear systems coupled with gearbox vibrations [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991
  • Dynamics of multistage gear transmission with effects of gearbox vibrations [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1990]
    • 1990
  • Vibration and noise analysis of a gear transmission system [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Adelphi, MD?] : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1993]
    • 1993
  • Vibration and noise analysis of a gear transmission system [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Adelphi, Md.] : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994
  • Analytical and experimental vibration analysis of a faulty gear system [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Adelphi, Md. : U.S. Army Research Laboratory ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994
  • Analytical and experimental study of vibrations in a gear transmission [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : National Technical Information Service, distributor, 1991?]
    • 1991

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