By Ed Barthelmes, Richard S. Dann
Historical past of the main flexible unmarried engine propeller a/c each outfitted. offers in-depth insurance of all editions either inside of & out. Over eighty B&W photographs plus 34 pgs of colour images & four pgs of colour profiles. eighty pages.
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These points are elaborated upon below. S. bomber industrial base. S. heavy bombers during World War II. 3 Derived in part from extensive company-funded studies based on the XB-15 and B-17, Boeing's B-29 design beat out rival proposals from Consolidated, Lockheed, and Douglas in mid-1940. However, Consolidated's entry was deemed good enough to merit a prototype contract and was eventually developed and produced in small numbers as the B-32 Dominator. In 1941, the Army Air Corps selected another Consolidated design as the main follow-on to the B-29.
Extensive congressional hearings were held on this issue, but no definitive conclusions were reached. For our purposes, the most interesting information to come out of the hearings was the evidence of the technical strengths and weaknesses of the two proposals and the nonpolitical rationale for McNamara's decision. Three key factors behind the secretary's decision were that the General Dynamics proposal showed more commonality between the Air Force and Navy versions, that the Texas firm's technical approach was more conservative and credible, and that General Dynamics' cost estimates appeared more reliable and believable.
However, the problem was never really solved prior to the stealth era, in the sense that no widely held consensus in the defense and political establishments ever emerged. Indeed, as early as 1958, the XB-70 program began coming under mounting pressure because of growing doubts about the bomber's survivability and high R&D costs. In September 1959, the program received a major blow when the Air Force canceled North American's Mach 3 fighter, the F-108, which had been intended to share development costs with the bomber on engines, escape capsules, and other areas.
A-1 Skyraider by Ed Barthelmes, Richard S. Dann
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