Image of the Air Force wings with the museum name underneath

Open 9 a.m. to 5 p.m. seven days a week
FREE Admission & Parking

Lawrance L-4S

Lawrance L-4S 60-hp air-cooled engine of the early 1920s was flight-tested in "Pony Blimp" airships as well as the Sperry "Messenger" airplane. It is typical of early-type radial engines that were developed following the demise of the rotary engine used during World War I.

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