Helicopter transmission testing at NASA Lewis Research Center [PDF]
The helicopter has evolved into a highly valuable air mobile vehicle for both military and civilian needs. The helicopter transmission requires advanced studies to develop a technology base for future rotorcraft advances.
Coy, John J., Lewicki, David G.
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Molecular binding in the cell surface Progress report, period ending 31 Dec. 1965 [PDF]
Microwave apparatus and nuclear magnetic resonance and electron paramagnetic resonance spectroscopy for elucidation of molecular binding in cell ...
Grenell, R. G.
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Design and verification of novel powertrain management for multi-geared battery electric vehicles [PDF]
, 2016 University of Technology Sydney. Faculty of Engineering and Information Technology.Despite the long-term benefit of battery electric vehicles (BEVs) to customers and the environment, the initial cost and limited driving range present the significant ...
Ruan, Jiageng
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An Innovative Flexible-Honing Method with Dampers for Long-Life, Mass-Machining of Face Gears. [PDF]
Materials (Basel), 2022 Chu X, Zhou Z, Zeng H, Wang Y, Huang Y.
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Homogeneous and single-side-operational connector mechanism for self-reconfigurable, self-assembly and self-healing systems [PDF]
, 2012 Designs of single-end-operative reconfigurable genderless connectors that include a base, a plurality of movable jaws that are formed on the base and can engage to the jaws of another connector, and an actuator that is mounted on the base and can engage ...
Kovac, Robert M., Shen, Wei-Min
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A method to estimate weight and dimensions of aircraft gas turbine engines. Volume 1: Method of analysis [PDF]
Weight and envelope dimensions of aircraft gas turbine engines are estimated within plus or minus 5% to 10% using a computer method based on correlations of component weight and design features of 29 data base engines.
Klees, G. W. +3 more
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Strength Matching Method of Face Gear Pair Considering Service Space Limitation to Improve Strength Performance. [PDF]
Materials (Basel), 2022 Chu X, Zeng H, Wang Y, Huang Y.
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Automotive Stirling engine development program [PDF]
The major accomplishments were the completion of the Basic Stirling Engine (BSE) and the Stirling Engine System (SES) designs on schedule, the approval and acceptance of those designs by NASA, and the initiation of manufacture of BSE components.
Cronin, M. +8 more
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Modern mechanisms make manless Martian mission mobile: Spin-off spells stairclimbing self-sufficiency for earthbound handicapped [PDF]
, 1975 Concepts were developed for three wheel chairs from progressively improving designs of a proposed unmanned roving vehicle for the surface exploration of Mars; as a spin-off, a concept for a stair-climbing wheel chair was generated.
Hassel, D. R. +2 more
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Reversed spin of a ratchet motor on a vibrating water bed. [PDF]
Sci Rep, 2022 Hatatani M +3 more
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