Liberty L-4

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The Liberty L-4 was a four-cylinder, water-cooled, inline engine for aircraft developed in the United States during World War I. The Liberty L-4 was an experimental engine of 102 hp, built by the Hudson Motor Car Company and intended primarily for use in training airplanes. Only two were produced since other types of engines were available and already in production. It is unknown if the L-4 was ever test-flown.

Specifications

General characteristics

Type: Four-cylinder inline piston engine
Bore: 5 in. (127mm)
Stroke: 7 in. (177.8mm)
Displacement: 549.8 cuin (9.0 L)

Components

Cooling system: Water-cooled

Performance

Power output: 102 hp

References

This article incorporates text from http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=835, a public domain work of the United States Government.

http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=835
Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 106.

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