The
Wasp was Pratt & Whitney's first engine. The
prototype produced 425 hp (316 kW) and and weighed only 650 lb (295
kg). The Wasp first flew in 1926.
The R-1340 was in production from 1925 - 1960. Almost 35,000 were
produced.
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| 9 cylinder, air-cooled, radial |
| displacement: 1,344 cubic inches (22 liters) |
| Bore x stroke: 5.75 x 5.75 in |
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