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Pratt & Whitney R-1690 Hornet

Pratt & Whitney R-1690 Hornet
posted by flyvertosset
Wed, Oct 27 2010

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Developed by Pratt & Whitney, 2,944 were produced from 1926 through 1942. It first flew in 1927. It was a single-row, 9-cylinder air-cooled radial design. Displacement was 1,690 cubic inches (27.7 L). It was built under licence in Italy as the Fiat A.59. In Germany, the BMW 132 was a developed version of this engine. The R-1860 Hornet B was an enlarged version produced from 1929

A single Boeing Model 80A, modified as a freighter for use in Alaska, is displayed at the Museum of Flight at Seattle.