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Assessment of High Temperature Superconducting (HTS) electric motors for rotorcraft propulsion

Doernbach, Jay.
[Washington, D.C.] : National Aeronautics and Space Administration, [1990] 1990

Effect of cage design on characteristics of high-speed-jet-lubricated 35-millimeter-bore ball bearin

Schuller, Fredrick T., author.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, October 1980. 1980-

Life and dynamic capacity modeling for aircraft transmissions

Savage, M. (Michael)
[Washington, D.C.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Springfield, Va. : For sale by the National Technical Information Service, 1991. 1991

Loads and performance data from a wind-tunnel test of generic model helicopter rotor blades

Yeager, William T.
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [2005] 2005

Non-linear dynamic analysis of geared systems.

Singh, Rajendra.
[Columbus, Ohio] : The Ohio State University, Dept. of Mechanical Engineering ; Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, [1990] 1990

Vibration propagation of gear dynamics in a gear-bearing-housing system using mathematical modeling

Parker, Robert G., author.
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, 2012. 2012

Wave engine topping cycle assessment

Welch, Gerard E., author.
Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center : U.S. Army Research Laboratory, December 1996. 1996-