Pratt & Whitney R-1690 Hornet
(Redirected from Pratt & Whitney Hornet)
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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.<ref>Pratt & Whitney - R-1690 page Template:Webarchive Retrieved: 25 October 2008</ref> 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.
Variants
- R-1690-3
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- R-1690-5
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- R-1690-11
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- R-1690-13
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- R-1690-S5D1G
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- R-1690-52
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- R-1690-SDG
- R-1690-S1EG
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- R-1690-S2EG
- R-1690-25
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- R-1690-S1C3G
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- Fiat A.59 R.
- License built in Italy with reduction gearing.
- Fiat A.59 R.C.
- License built in Italy with reduction gearing and supercharger.
- BMW Hornet
- License production of the Hornet in Germany, independently developed as the BMW 132.
Applications
Engines on display
- There is a R-1690 on display at the New England Air Museum, Bradley International Airport, Windsor Locks, CT.<ref>http://neam.org/index.php?option=com_content&view=article&layout=edit&id=1129 "Pratt & Whitney R-1690 Hornet"</ref>
Specifications (R-1690 S1E-G)
See also
References
Notes
Bibliography
External links
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