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    Efficiency testing of a helicopter transmission planetary reduction stage

    Handschuh, Robert F. / Rohn, Douglas A. | NTRS | 1988

    Identification and proposed control of helicopter transmission noise at the source

    Coy, John J. / Handschuh, Robert F. / Lewicki, David G. et al. | NTRS | 1988

    Exponential Finite-Difference Technique

    Handschuh, Robert F. | NTRS | 1989

    New Methods For Generating Gear Surfaces

    Coy, John J. / Handschuh, Robert F. / Litvin, F. L. et al. | NTRS | 1989

    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

    Recent Manufacturing Advances for Spiral Bevel Gears

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

    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

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

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

    Straddle Design Of Spiral Bevel And Hypoid Gears

    Handschuh, Robert F. / Litvin, Faydor L. / Kuan, Chihping et al. | NTRS | 1994

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

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

    Low-Noise Spiral Bevel Gears

    Lewicki, David G. / Handschuh, Robert F. / Coy, John J. et al. | NTRS | 1994

    Computing Surface Coordinates Of Face-Milled Spiral-Bevel Gear Teeth

    Handschuh, Robert F. / Litvin, Faydor L. | NTRS | 1995

    Spiral-Bevel-Gear Damage Detected Using Decision Fusion Analysis

    Dempsey, Paula J. / Handschuh, Robert F. | NTRS | 2003

    Drive System Research

    Handschuh, Robert F. | NTRS | 2007

    Gear Windage Modeling Progress - Experimental Validation Status

    Kunz, Rob / Handschuh, Robert F. | NTRS | 2008

    Concepts for Variable/Multi-Speed Rotorcraft Drive System

    Stevens, Mark A. / Handschuh, Robert F. / Lewicki, David G. | NTRS | 2008

    Feasibility study of vapor-mist phase reaction lubrication using a thioether liquid

    Morales, Wilfredo / Handschuh, Robert F. / Krantz, Timothy L. | Tema Archiv | 2009

    Variable/Multispeed Rotorcraft Drive System Concepts

    Stevens, Mark A. / Handschuh, Robert F. / Lewicki, David G. | NTRS | 2009

    Engine Conceptual Design Studies for a Hybrid Wing Body Aircraft

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