RyanCrierie -> RE: Shep's Graphical Artwork (Planes, Ships, etc) (8/4/2010 8:50:55 AM)
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Martin B-33A Super Marauder. XB-33 The first version of the B-33 design, the XB-33, was a twin-tailed medium bomber with two Wright R-3350 engines and pressurised crew compartments; its design began in 1940. It would carry around 4,000 lb (1,814 kg) of bombs. Soon after design of the XB-33 began it became clear that a twin-engined aircraft would not achieve the performance requested by the army. The company moved on to developing a larger four-engined design and the two prototypes ordered by the USAAF were not built. B-33A Following the abandoment of the original twin-engined design the company continued to design a larger four-engined design and two prototypes were ordered by the USAAF as the XB-33A; its bombload was to have been 12,000 lb (5,443 kg), as much as that of the B-24 Liberator, the heaviest US bomber flown in combat prior to the B-29. The original XB-33 design was to be powered by the R-3350, the redesigned XB-33A was to use Wright R-2600 engines. The main reason for this was demand for R-3350s for the B-29, one of the most highly valued projects of the Army Air Forces. On January 17, 1942, the USAAF placed an order for 400 B-33As to be built at the government-owned plant in Omaha, Nebraska operated by Martin. On November 25, 1942 the project was cancelled to allow the Omaha plant to concentrate on manufacturing B-29s.
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