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Military Jet Engine Acquisition Technology Basics and Cost-Estimating Methodology

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Military Jet Engine Acquisition Technology Basics and Cost-Estimating Methodology ( military-jet-engine-acquisition-technology-basics-and-cost-e )

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104 Military Jet Engine Acquisition Nonetheless, the Germans deployed several other very advanced combat aircraft during the last months of the war. Two Jumo 004s powered the world’s first operational jet bomber, the Arado Ar 234 Blitz. The Heinkel He 162 Salamander fighter powered by a single 1,800-pound-thrust BMW 003A-1 turbojet became quasi-operational for a very brief period at the end of the war. The rocket-powered Messerschmitt Me 163 Komet fighter also briefly saw combat late in the war. Even more amazing was the Bachem Ba 349A “Natter,” a vertically launched rocket fighter tested against allied bombers at the end of the war. Had some of these aircraft, especially the He 280 or Me 262, been operationally available in large numbers earlier in the war, they could have had a major effect on the Allied strategic bombing campaign against Germany. When U.S. Air Force officers, scientists, and engineers visited German R&D facilities after the war, many of them were shocked at how far advanced the Germans were in jet aircraft design compared with the Americans. The U.S. was determined more than ever to develop advanced jet-powered mili- tary aircraft. They knew that significant new engine technology would be crucial to that effort. SECOND-GENERATION JETS REVOLUTIONIZE MILITARY AND COMMERCIAL AIRCRAFT Three key jet engine technological developments in the 1950s revo- lutionized aircraft performance: twin spool turbojets, early low- and medium-bypass turbofans or fanjets, and variable compressor tech- nology. These developments led to the realization of supersonic mili- tary jet fighters, competitive carrier-based jet fighters, and long- range jet-powered military and commercial transport aircraft. In the immediate post-War years, GE, Westinghouse, P&W, the Alli- son Division of General Motors, and Curtiss Wright were considered the leading U.S. turbojet manufacturers, while Rolls-Royce remained dominant among many jet engine manufacturers in the UK. German companies such as Junkers and Heinkel had their facilities severely damaged by the war and were forbidden by treaty to continue devel- oping militarily useful technologies. During the war, the UK government had required British industry to cooperate and share information in the development of turbojet en-

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