The largest radial engine ever to enter service, the Pratt & Whitney Wasp Major R-4360-59B, had four rows of seven cylinders.

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 ...

[Ian Jimmerson] has constructed a detailed model of a radial engine out of wood and MDF for an undisclosed reason. Rather than just delivering the wooden engine to wherever wood engines go ...