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Pratt & Whitney XH-3130
Pratt & Whitney H-3730


The Pratt & Whitney XH-3130 (sometimes called the XL-3130) was an H-block aircraft engine project developed for the United States Navy in the late 1930s. The design was later enlarged as the XH-3730), but the project was canceled in 1940 in favor of Pratt & Whitney developing the R-4360 Wasp Major air-cooled radial engine.
Type: 24 cylinder H-engine
Bore: 6.00in (152.4mm)
Stroke: 5.50in (139.7mm)
Displacement: 3,732.2 cu in (61.16L)
Valvetrain: Sleeve valves
Power output: 2,900 hp





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