Pratt & Whitney R4360 Wasp Major he Pratt & Whitney R436… Flickr

Pratt Whitney R 4360 Wasp Major. Wasp Major full side Pratt & Whitney R4360 Wasp Major 2… Flickr First run in 1944, it is the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp, the most powerful The Wasp Major saw service at the end of World War II in late Boeing B-29s that were actually early B-50s, and powered the Boeing B-50 "Lucky Lady" when it made the first non-stop around the.

This is the biggest airplane piston engine ever developed by Pratt & Whitney in terms of mass production The 28 cylinders were in four rows of seven cylinders each, arranged in a spiral for better cooling, which contributed to the popular nickname of "corncob" applied to all multi.

Pratt & Whitney R4360 Wasp Major Radial Engine 1 a photo on Flickriver

The R-4360 was Pratt & Whitney's last aircraft piston engine, as well as the largest and the most complicated piston engine produced in quantity in the United States Even the first versions of the R-4360 could crank out north of 2,500 hp. 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

Pratt & Whitney R4360 “Wasp Major” > National Museum of the United States Air Force™ > Display. Beginning in 1941, the gigantic Convair B-36 strategic bomber was likely planned around this engine, which used six R-4360s along with four turbojets The Pratt & Whitney R-4360 Wasp Major would be the largest aviation piston engine ever mass-produced in the United States and the most powerful, with a maximum output of 4,300 bhp

Pratt & Whitney R4360 WASP Major Pratt & Whitney R4360 W… Flickr. Jets and turboprops would power future military aircraft After cancellation of P & W's liquid cooled sleeve valve efforts, the R-4360 was rushed into development with an initial rating of over 3000 hp.