Pratt & Whitney R-2270

The Pratt & Whitney R-2270 was an American 14-cylinder air-cooled radial aircraft engine. Displacing , it was Pratt & Whitney's first two-row radial engine,AAHS Journal, 1971, p.118 developed using parts from existing Wasp and Hornet engines to produce an experimental engine.Schlaifer and Heron 1950, p.686 Design of the engine was begun in January 1929; it first ran on May 14, 1930, and in April 1931 was test-flown in a Boeing Model 40B aircraft. The R-2270 was intended as a purely experimental engine; studies indicated a smaller engine would be more favored by the market, and Pratt & Whitney began development of the R-1830 engine in April 1931.

Applications Boeing Model 40 (testbed)

See also

References Notes

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