Research Catalog

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  • Full-scale transmission testing to evaluate advanced lubricants [microform] / David G. Lewicki and Harry J. Decker, and John T. Shimski.

    • 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

  • Development of a full-scale transmission testing procedure to evaluate advanced lubricants [microform] / David G. Lewicki and Harry J. Decker, John T. Shimski.

    • 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], 1992.
    • 1992

  • Evaluation of an oil-debris monitoring guide for use in helicopter transmissions [microform] / David G. Lewicki, Donald M. Blanchette, and Gilles Biron.

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

  • Gear crack propagation investigations [microform] / David G. Lewicki and Roberto Ballarini.

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

  • Effect of rim thickness on gear crack propagation path [microform] / David G. Lewicki and Roberto Ballarini.

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

  • Effect of speed (centrifugal load) on gear crack propagation direction [microform] / David G. Lewicki.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS23200

  • Evaluation of low-noise, improved-bearing-contact spiral bevel gears [microform] / David G. Lewicki, Ron L. Woods.

    • Text
    • [Cleveland, Ohio : NASA Glenn Research Center, 2003]
    • 2003

  • Evaluation of MEMS-based wireless accelerometer sensors in detecting gear tooth faults in helicopter transmissions / David G. Lewicki, Nicholas A. Lambert and Robert S. Wagoner.

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

    Available Online

    https://purl.fdlp.gov/GPO/gpo59970

  • Testing of two-speed transmission configurations for use in rotorcraft / David G. Lewicki and Mark A. Stevens.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, June 2015.
    • 2015-6
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo60788

  • Advanced face gear surface durability evaluations / David G. Lewicki, Gregory F. Heath.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center ; ARL, March 2016.
    • 2016-3
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo68599

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