1939-01-01

Aircraft Engines and Their Lubrication 390181

MR. NUTT outlines the recent progress in the development of aircraft engines by a brief review of the progress made during the past 10 to 15 years. He explains some of the design details which have aided in this progress. The various design features are discussed to emphasize the importance of detail research and development. Among the items of importance are cooling, supercharging, vibration damping, fuels, materials, and spark plugs.
Included in the paper are discussions of the trends in fuel injection, compression-ignition engines, co-axial propellers, liquid-cooled engines, engine types, sleeve-valve engines, lubrication, and the relative progress in the development of American and European engines.
Although this Country is not lagging in its technical ability to produce high-output engines, the author cautions that we must continue to provide adequate funds and personnel if we are to maintain a satisfactory position in the industry.

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