Pratt & Whitney XH-3130
The Pratt & Whitney XH-3130, but the project was canceled in 1940 in favor of Pratt & Whitney developing the R-4360 Wasp Major air-cooled radial engine.
The Pratt & Whitney XH-3130, but the project was canceled in 1940 in favor of Pratt & Whitney developing the R-4360 Wasp Major air-cooled radial engine.