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The sole XB-44 Superfortress was a B-29 Superfortress converted to test the possibility of using the R-4360 radial engine.. Development of an improved B-29 started in 1944, with the desire to replace the unreliable Wright R-3350 Duplex-Cyclone engines with the more powerful four-row, 28-cylinder Pratt & Whitney R-4360 Wasp Major radial engines, America's largest-ever displacement aircraft ...
Boeing Model 306 heavy bomber: n/a: abandoned 1935 project: 0: Boeing XB-15 heavy bomber: 1937: retired prototype 1944: 1: Boeing XB-38 Flying Fortress heavy bomber: 1943: Lost 1943 project cancelled: 1: Boeing XB-39 Superfortress heavy bomber: 1944: retired prototype: 1: Boeing XF8B fighter bomber: 1944: retired prototype: 3: Boeing XPBB Sea ...
50 m wingspan [3] Victory Bomber: 1940/1941: 47.2 tons 52 m wingspan, to carry a ten-ton earthquake bomb, rejected by the RAF [4] Boeing 2707 SST: 1960s: 301.17 tons A 93 m long Concorde answer, canceled in 1971 Lockheed CL-1201: 1960s: 6318.61 tons Nuclear-powered, 1,120 feet (340 m) wing span, airborne aircraft carrier: Boeing RC-1: 1970s ...
Airlines commonly order aircraft with special features or options, but Boeing builds certain models specifically for a particular customer. The Boeing 707-138B was a shortened-fuselage, long-range model only sold to Qantas. The Boeing 757-200M was a single-example model built for Royal Nepal Airlines (now called Nepal Airlines). This plane ...
The Boeing C-97 Stratofreighter is a long-range heavy military cargo aircraft developed from the B-29 and B-50 bombers. Design work began in 1942, the first of three prototype XC-97s flew on 9 November 1944 and the first of six service-test YC-97s flew on 11 March 1947.
The B-17B (299M) was the first production model of the B-17 and was essentially a B-17A with a slightly larger rudder, larger flaps, a redesigned nose and 1,200 hp (890 kW) R-1820-51 engines. The small, globe-like, machine gun turret used in the Y1B-17's upper nose blister was replaced with a .30 in (7.62 mm) machine gun, its barrel run through ...
B50 or B-50 may refer to: B-50 Superfortress, an airplane; BSA B50, 500cc motorcycle; International Statistical Classification of Diseases and Related Health Problems (ICD-10), code for Plasmodium falciparum malaria; Leyland Royal Tiger, a UK bus; Sicilian Defence, an Encyclopaedia of Chess Openings code; A Vietnamese RPG-2 rocket-propelled ...
The Boeing B-54 was an American strategic bomber designed by Boeing for use by the United States Air Force. Derived from the YB-50C Superfortress , construction of the prototype was canceled before completion, and the aircraft was never flown.