Research Catalog

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  • Gear tooth stress measurements of two helicopter planetary stages [microform] / Timothy L. Krantz.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, [Springfield, Va. : For sale by the National Technical information Service, 1992]
    • 1992

  • Experimental and analytical evaluation of efficiency of helicopter planetary stage [microform] / Timothy L. Krantz.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program ; [Springfield, Va. : For sale by the National Technical Information Service], 1990.
    • 1990

  • NASA/Army rotorcraft transmission research, a review of recent significant accomplishments [microform] / Timothy L. Krantz.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Adelphi, Md.] : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Dynamics of a split torque helicopter transmission [microform] / Timothy L. Krantz.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Efficiency study comparing two helicopter planetary reduction stages [microform] / Timothy L. Krantz and Robert F. Handschuh.

    • Text
    • [Washington, D.C.] : NASA ; [Cleveland, Ohio] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, 1990?]
    • 1990

  • Vibration analysis of a split path gearbox [microform] / Timothy L. Krantz and Majid Rashidi.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Adelphi, Md.] : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • A method to analyze and optimize the load sharing of split path transmissions [microform] / Timothy L. Krantz.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Experimental study of split-path transmission load sharing [microform] / Timothy L. Krantz and Irebert R. Delgado.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • On the correlation of specific film thickness and gear pitting life / Timothy L. Krantz.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, April 2015.
    • 2015-4
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo59874

  • Wear of steel and Ti6Al4V rollers in vacuum / Timothy L. Krantz, Iqbal Shareef.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, June 2012.
    • 2012-6
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo60261

  • Roller testing to mimic damage of the ISS SARJ ring and durability test to simulate 15 years of SARJ operation using the damaged surface / Timothy L. Krantz [and three others].

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, February 2016.
    • 2016-2
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo68603

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