Pratt & Whitney R-1860 Hornet B
Early 20th century aircraft engine / From Wikipedia, the free encyclopedia
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The Pratt & Whitney R-1860 Hornet B was a relatively uncommon aircraft engine. It was a development of Pratt & Whitney's earlier R-1690 Hornet and was basically similar, but enlarged in capacity from 1,690 to 1,860 cubic inches (30.5 L).[1][2] Cylinder bore was increased by 1/8" and the crankshaft stroke by 3/8". Both engines were air-cooled radial engines, with a single row of nine cylinders.
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Quick Facts R-1860 Hornet B, Type ...
R-1860 Hornet B | |
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Pratt & Whitney R-1860 Hornet B | |
Type | Radial engine |
National origin | United States |
Manufacturer | Pratt & Whitney |
First run | 1929 |
Major applications | Consolidated Fleetster Keystone B-4 Sikorsky S-40 Sikorsky S-41 |
Developed from | Pratt & Whitney R-1690 |
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