Pratt & Whitney R-1690 Hornet
| R-1690 Hornet | |
|---|---|
 |
|
| Pratt & Whitney Hornet, at the Deutsches Museum, Munich. | |
| Type | Radial engine |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
| First run | June 1926 |
| Major applications |
Lockheed Lodestar O2U Corsair Sikorsky S-42 |
| Number built | 2,944 |
| Developed into |
Pratt & Whitney R-1860 BMW 132 |
The Pratt & Whitney R-1690 Hornet was a widely used aircraft engine. 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.
Data from
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Wikipedia