Pratt & Whitney R-1690 Hornet
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"Pratt & Whitney Hornet" redirects here. For the Pratt & Whitney R-1860 Hornet B, see Pratt & Whitney R-1860.
The Pratt & Whitney R-1690 Hornet was a widely used American aircraft engine. Developed by Pratt & Whitney, 2,944 were produced from 1926 through 1942.[1] 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 license 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.
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Quick Facts R-1690 Hornet, Type ...
R-1690 Hornet | |
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Pratt & Whitney Hornet, at the Deutsches Museum, Munich. | |
Type | Radial engine |
National origin | United States |
Manufacturer | Pratt & Whitney |
First run | June 1926 |
Major applications | Boeing 80 Lockheed Lodestar Sikorsky S-42 Vought O2U Corsair |
Number built | 2,944 |
Developed into | Pratt & Whitney R-1860 BMW 132 Mitsubishi Kinsei |
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