Lawrance L-4

L-3/L-4
Lawrance L-3 aircraft engine on display at the Steven F. Udvar-Hazy Center
Type	Piston aero engine
National origin	United States
Manufacturer	Lawrance Aero Engine Company
Designed by	Charles Lawrance?
Major applications	Naval Aircraft Factory SA 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 was marketed by the Wright Aeronautical Corporation as the Wright Gale after the acquisition of the Lawrance Aero Engine Company.

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