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The Turbo-Union RB199 is an aircraft turbofan jet engine designed and built in the early 1970s by Turbo-Union, a joint venture between Rolls-Royce, MTU and FiatAvio. The RB199's sole production application is the Panavia Tornado. ==Design and development== The RB199 is a modular engine, improving servicing. It was flight tested on the Avro Vulcan, the same aircraft that was used for the flight testing of Concorde’s Olympus 593. A specially built nacelle was designed that was fully representative of the Tornado fuselage and attached below the Vulcan. The aircraft first flew in this configuration in 1972. All the installed versions of the RB199 are of three spool design and are fitted with thrust reversers for braking on the Panavia Tornado. The engine's compact design gives high thrust-to-weight and thrust-to-volume ratios while maintaining good handling characteristics and low fuel consumption. The RB199 has amassed over 5 million flight hours since entering service with the Royal Air Force, Luftwaffe, German Navy, Italian Air Force and Royal Saudi Air Force. The engine was also used in the EAP Demonstrator assembled at, and flown from, Warton in Lancashire, England, and the early prototype Eurofighter Typhoon aircraft, both types without thrust reversers. The RB199 was designed to give the Tornado outstanding performance. In order to meet the many different mission requirements of the Tornado, in particular extreme low-level missions, a 3-shaft design with afterburner and thrust reverser was selected. The Digital Engine Control Unit (DECU) reduces the pilot’s workload during operation and supports on-condition maintenance. The fact that the RB199 is still a very modern combat engine with future growth potential is a confirmation of its advanced design. Modular construction allows damaged modules to be changed within the minimum turnaround time, thus ensuring greater availability of the aircraft. Its unprecedented reliability has not only been demonstrated in hostile environmental conditions, but also in combat. The most recent production standard, MK105, powers the German ECR (Electronic Combat Reconnaissance) Tornado. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turbo-Union RB199」の詳細全文を読む スポンサード リンク
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