Pratt & Whitney R-4360 Wasp Major ... The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II. At 4,362.5 cu in …

Pratt & Whitney R-4360 “Wasp Major” The Wasp Major engine was developed near the end of World War II to power the Boeing B-50, an improved version of the successful B-29 Superfortress.

Feb 18, 2026 · The R-4360 Wasp Major was the peak of reciprocating aircraft engines, a 28-cylinder monster capable of 4,000 horsepower.

The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War 2. First run in 1944, it is the largest-displacement …

Home Explore Collection Objects Pratt & Whitney R-4360-35 Wasp Major, 4-Row, Radial 28 Engine 6 Images Gallery slides Slide 1 of 6 Slide 2 of 6 Slide 3 of 6 Slide 4 of 6 Slide 5 of 6 Slide 6 of 6

The R-4360 first flew on 25 May 1942, using the third R-4360 engine. This flight was made in a converted Vultee Vengeance known as the V-85. Unfortunately, this airplane was wrecked late in …

The Pratt & Whitney R-4360 was the only aircraft piston engine displacing over 4,000 cubic inches that entered into series production. However, the landscape is littered with attempts at producing a large …

Pratt & Whitney's R-4360 Wasp Major air-cooled radial engine was the ultimate development of the aircraft piston engine. Jets and turboprops would power future military aircraft.

Jan 12, 2023 · In World War II, the United States developed and produced the Pratt & Whitney R-4360 Wasp Major, a 28-cylinder, four-row radial piston aircraft engine. This is the biggest airplane piston …

So let’s take a look at the Pratt and Whitney R-4360 Wasp Major – amongst the biggest of them all. Developed during World War II, the engine was released too late to be used in war service.