The largest radial engine ever to enter service, the Pratt & Whitney Wasp Major R-4360-59B, had four rows of seven cylinders. This allowed the engine to produce 4,300 hp, but it also meant that ...

Equipped with a Pratt and Whitney R-2800 Double Wasp radial engine, the P-47 had 2,000 horsepower, top speeds of 426 mph, and a turbocharger for high-altitude flying. The Grumman F6F Hellcat could ...