1–10 von 10 Ergebnissen
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    Drive System Research

    Handschuh, Robert F. | NTRS | 2007

    Results of NASA Technical Challenge to Demonstrate Two-Speed Drive for Vertical Lift Vehicle

    Krantz, Timothy L. / Handschuh, Robert F. / Roberts, Gary D. | NTRS | 2018

    Concepts for Multi-Speed Rotorcraft Drive System - Status of Design and Testing at NASA GRC

    Stevens, Mark A. / Lewicki, David G. / Handschuh, Robert F. | NTRS | 2015

    Performance Investigation of a Full-Scale Hybrid Composite Bull Gear

    Laberge, Kelsen E. / Handschuh, Robert F. / Roberts, Gary et al. | NTRS | 2016

    Recent Manufacturing Advances for Spiral Bevel Gears

    Bill, Robert C. / Handschuh, Robert F. | SAE Technical Papers | 1991

    Efficiency study comparing two helicopter planetary reduction stages

    Krantz, Timothy L. / Handschuh, Robert F. | NTRS | 1990

      Efficiency study comparing two helicopter planetary reduction stages

      Krantz, Timothy L. / Handschuh, Robert F. | NTRS | 1990

    Engine Conceptual Design Studies for a Hybrid Wing Body Aircraft

    Tong, Michael T. / Jones, Scott M. / Haller, William J. et al. | NTRS | 2009

    Low-noise, high-strength, spiral-bevel gears for helicopter transmissions

    Lewicki, David G. / Handschuh, Robert F. / Henry, Zachary S. et al. | NTRS | 1993

      Low-noise, high-strength, spiral-bevel gears for helicopter transmissions

      Lewicki, David G. / Handschuh, Robert F. / Henry, Zachary S. et al. | NTRS | 1993

    Improvements in Spiral-Bevel Gears to Reduce Noise and Increase Strength

    Lewicki, David G. / Handschuh, Robert F. / Henry, Zachary S. et al. | NTRS | 1994