|Type:||3-cylinder, air-cooled, radial, piston|
|Displacement:||223 cu. in.|
|Power Output:||65 hp @ 2,000 rpm|
On loan from the Chicago Museum of Science & Industry
The L-4 was part of a series of three-cylinder radial piston engines developed shortly after World War I which were designed and built by the Lawrance Aero Engine Company. After five years in existence, Lawrance Aero Engineering's limited production capacity motivated a merger, urged by the U.S. Navy, with the Wright Aeronautical. The The Navy was enthusiatic about air-cooled radial engines and they felt that Wright would be better be able to mass-produce the radial engines. Wright then marketed the L-4 as the “Gale.” It listed the outstanding features of Wright air-cooled engines as:
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