Liberty L-4

The Liberty L-4 was a four-cylinder water-cooled inline aircraft engine developed in the United States during World War I. The Liberty L-4 was an experimental engine of 102 hp (76 kW), 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.

Liberty L-4
Liberty L-4 aircraft engine
Type Piston aero engine
National origin United States
Manufacturer Hudson
Designed by Jesse G. Vincent and Elbert J. Hall
First run c.1917
Variants Liberty L-6, Liberty L-8, Liberty L-12

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

See also

Related lists

References

This article incorporates text from Liberty L-4, a public domain work of the United States Government.

  • Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 106.
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