Power ranged from 2,200 to 3,700 hp (1,640 to 2,760 kW), depending on model. Developed before World War II, the R-3350's design required a long time to mature, and was still experiencing problems with reliability when used to power the Boeing B-29 Superfortress.

One of the largest aircraft of World War II, the B-29 was designed with state-of-the-art technology, which included a pressurized cabin, dual-wheeled tricycle landing gear, and an analog computer -controlled fire-control system that allowed one gunner and a fire-control officer to direct four remote machine gun turrets.

Range with 12,000 lbs (5400 kg) bomb load: 2600 km (1616 miles) at medium altitude. Maximum bomb load: 20,000 lbs (9100 kg) during short distances and flying at low altitude. Normal bomb load: 4200 lbs (1900 kg). Possible to fly at high altitude. Crew: 11. …

engine selected for the B-29? Why did the engine have so many problems? Why was the B-29 program started so late in the production picture? To find answers, it is necessary to understand the world situation before the war and see what the United States was doing about military aviation at that time.

The XB-39 Superfortress was a one-aircraft testbed to prove that the B-29 could successfully utilize an alternative engine to the the air-cooled Wright R-3350 radial. The XB-39 would be fitted with Allison V-3420-17 liquid-cooled W24 inline engines.

Shortly after noon on Thursday, 18 February 1943, Eddie Allen was flight testing the number two XB-29 when an engine fire developed. The port wing spar burned through and collapsed sending the huge bomber crashing into a meat packing plant a few miles south of Boeing Field.

2022年11月30日 · The giant 18-cylinder air-cooled Wright R-3550 Duplex-Cyclon was the engine for the Boeing B-29 Superfortress and the Consolidated B-32 Dominator. As the USAAF rushed these airplanes into combat, the R-3550 suffered from a lack of time to resolve problems inherent in developing any new engine.

2002年6月5日 · Powerful, Troublesome Engines. Wright Aeronautical provided the B-29 with four R-3350 Duplex Cyclone radial engines, which were then the most powerful, at 2,200 hp.

The B-29 Superfortress was a four-engine heavy bomber aircraft used by the United States during World War II and the Korean War. It was powered by four Wright R-3350 Duplex-Cyclone radial engines, each producing around 2,200 horsepower.

2023年6月9日 · The Boeing B-29 Superfortress had its official beginning on February 5, 1940, when the Air Corps called for a "Hemisphere Defense Weapon," a super-bomber with a speed of 400 miles per hour, the ability to carry a ton of bombs for 5,333 miles, and a maximum bomb capacity of 16,000 pounds.