Lawrance L-3

L-3/L-4/Gale
Lawrance L-3 aircraft engine on display at the Steven F. Udvar-Hazy Center
Type Piston aircraft engine
National origin United States
Manufacturer Lawrance Aero Engine Company
Designer Charles Lawrance?
Major applications Loening M-2

The Lawrance L-3 and L-4 were early aircraft piston engines with three radial cylinders, designed and built by the Lawrance Aero Engine Company in the early 1920s. The L-3 / L-4 series were marketed by the Wright Aeronautical Corporation as the Wright Gale after the acquisition of the Lawrance company.

Applications

Specifications

General characteristics

  • Type: 3-cylinder, air-cooled radial piston aircraft engine
  • Bore: 4.25 in (108.0 mm)
  • Stroke: 5.25 in (133.4 mm)
  • Displacement: 223.4 cubic inches (3.7 L)
  • Length: 24 inches (610 mm)
  • Diameter: 39.0 inches (991 mm)
  • Dry weight: 147 pounds (66.7 kg)

Components

  • Cooling system: air-cooled

Performance

  • Power output: 65 horsepower (48 kW) at 2000 rpm

See also

Related lists

References

  • This article contains material that originally came from the placard at the Steven F. Udvar-Hazy Center, with dimensional error corrected (radius reported as diameter).
Wikimedia Commons has media related to Lawrance L-3.
  • "Lawrance L-3 Radial Engine". Smithsonian National Air and Space Museum. Archived from the original on 2 April 2011. Retrieved 1 January 2011.