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R-1340 Aircraft Engine


Photograph of R-1340 aircraft engine

National Archives #80-G-K-15003

Cropped by author

The Pratt & Whitney R-1340 Wasp was an air-cooled radial aircraft engine with nine cylinders. The bore and stroke were both 5.75 inches (146mm). The design was considered exceptionally clean and formed the basis for the important R-1830 Twin Wasp and R-2600 Double Wasp.

Model
Horsepower
Wattage
33
600 hp
447 kW

The R-1340 was used on the P-26 Peashooter and T-6 Texan.

References

Gunston (2006)
Pratt-Whitney.com (accessed 2009-11-28)


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