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  • Wright R-3350-57 Cyclone

    Note: This item is currently in storage.The Wright R-3350 "Cyclone" was one of the most powerful radial aircraft engines produced in the United States. The first R-3350 was run in May 1937, and later versions of this engine remained in production into the 1950s.Thousands were built to power both

  • Curtiss R-600

    Note: This item is currently in storage.The Curtiss R-600 "Challenger" air-cooled engine, rated at 180 hp, was used in experimental versions of the PT-5 and PT-11 trainers during the 1929-1931 period. Although the R-600 was installed in only two military airplanes, it is historically significant

  • Curtiss OX-5

    Note: This item is currently in storage.Thousands of OX-5 water-cooled engines were produced in the United States during World War I, primarily for the Curtiss Jenny airplane. This engine, a refinement of a 1914 design, was rated at only 90 hp. Compared to other airplane engines of the period, it

  • Franklin O-805-2

    Note: This item is currently in storage.The Franklin O-805-2, a 12-cylinder, 450 hp engine with opposed cylinders, was built near the end of World War II by Aircooled Motors to be used on the Interstate Aircraft and Engineering Group's XBQ-5 prototype. The aircraft would have been a

  • Wright L-320 “Gipsy”

    Note: This item is currently in storage.The Gipsy L-320 is a 90 hp, four-cylinder, in-line, air-cooled engine built by the Wright Aeronautical Corp. under license from the De Havilland Aircraft Co. Ltd. It is similar to the "Gipsy Minor" engine produced in England by De Havilland in the late 1930s

  • Liberty L-8

    Note: This item is currently in storage.The eight-cylinder version of the Liberty, also water-cooled, was the first Liberty designed and built; it preceded not only the Liberty 12 but also the four- and six-cylinder versions. It was also the first Liberty flight-tested in an airplane (Aug. 29,

  • Liberty L-6

    Note: This item is currently in storage.The six-cylinder water-cooled Liberty, which developed 200-215 hp, was built during World War I by Thomas-Morse Aircraft Corp. and Wright Aeronautical Corp. Since the L-6 was too large for mail airplanes and other types of engines were available for other

  • Liberty L-4

    Note: This item is currently in storage.The four-cylinder Liberty was an experimental water-cooled engine of 102 hp, built during World War I by the Hudson Motor Co. and intended primarily for use in training airplanes. Only two were produced since other types of engines for trainers were perfected

  • Curtiss K-12

    Note: This item is currently in storage.The Curtiss K-12 was a milestone in the development of liquid-cooled aircraft engines and was regarded as one of the most advanced in the world for its time. Designed by Charles B. Kirkham and first tested in 1916, the K-12 featured a cast aluminum upper

  • Williams International F-121 Fanjet

    Note: This item is currently in storage.The advent of small jet-propelled aircraft challenged engine manufacturers to provide propulsion systems for them. When an engine was required to propel unmanned aircraft, such as the AGM-136A Tacit Rainbow, on a one-way trip to a target, they faced the added