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Boeing assembly line at Wichita, Kansas (1944). The Boeing B-29 Superfortress was an American four-engined propeller-driven heavy bomber, designed by Boeing and flown primarily by the United States during World War II and the Korean War.
The B-29's remote-controlled gun turrets were redesigned to accommodate the Soviet Nudelman NS-23, a harder-hitting and longer-ranged 23 mm (0.91 in) cannon. [16] Additional changes were made as a result of problems encountered during testing related to engine and propeller failures, [ 17 ] and equipment changes were made throughout the ...
The PBJ had its origin in an inter-service agreement of mid-1942 between the Navy and the USAAF exchanging the Boeing Renton plant for the Kansas plant for B-29 Superfortress production. The Boeing XPBB Sea Ranger flying boat, competing for B-29 engines, was cancelled in exchange for part of the Kansas City Mitchell production. Other terms ...
FIFI is a Boeing B-29 Superfortress. It is one of two B-29s in the world flying as of 2024 (with Doc being the other). It is owned by the Commemorative Air Force and is based at the Victor N. Agather Hangar at Dallas Executive Airport in Dallas, Texas. FIFI tours the United States and Canada annually. It takes part in various air shows and ...
The Soviets' only long-range bomber at the time was Tupolev's Tu-4 "Bull", a reverse-engineered copy of the American B-29 Superfortress. The development of the notably powerful Mikulin AM-3 turbojet led to the possibility of a large, jet-powered bomber. The Tupolev design bureau began work on the Tu-88 ("Aircraft N") prototypes in 1950. The Tu ...
The B-29D was an improved version of the original B-29 design, featuring 28-cylinder Pratt & Whitney R-4360-35 Wasp Major engines of 3500 hp (2600 kW) each — nearly 60% more powerful than the usual Duplex-Cyclone. It also had a taller vertical stabilizer and a strengthened wing.
509th Composite Group B-29s on Tinian after the atomic bomb missions. Top Secret was the name of a Boeing B-29 Superfortress (B-29-36-MO 44–27302, "victor number' 72) modified to carry the atomic bomb in World War II. It served with the Army Air Forces and United States Air Force from 1945 until 1954.
The Silverplate project was initiated in June 1943 when Norman Ramsey Jr. from the Los Alamos Laboratory's E-7 Group identified the Boeing B-29 Superfortress as the only airplane in the United States inventory capable of carrying either type of the proposed weapons shapes: the tubular shape of the Thin Man, or the oval shape of the Fat Man.