Research Catalog

  • Review and analysis of the DNW/model 360 rotor acoustic data base [microform] / R.A. Zinner and D.A. Boxwell, R.H. Spencer.

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center : US Army Aviation Systems Command, Aviation Research and Technology Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1989]
    • 1989
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS72232
  • Model helicopter rotor high-speed impulsive noise [microform] : measured acoustics and blade pressures / D. A. Boxwell ... [et al.].

    • Text
    • Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center, [1983]
    • 1983
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS89480

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