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Aviation History
1979
1979 - 2716.PDF
210 FLIGHT International, 21 July 1979 to power the Westlahd WG30 helicopter announced at Paris. RTM.321 This joint Rolls-Royce/Turbomeca development of an advanced helicopter engine rated at 1,750 s.h.p. has been chosen to power the WG34 Sea King Replacement helicopter to be built in collaboration by Westland and Agusta, and perhaps, Aerospatiale. Early aircraft are to feature the GE T750 engine. TURMO III C-4 Contracts to supply 110 1,390 s.h.p. Turmo III C-4 engines for SA330 Puma helicopters for the Royal Air Force have been completed and an engine overhaul programme is currently in force. The Leavesden factory will this year complete a substantial civil and commercial contract to supply sets of engine parts to Turbomeca for export engines. ASTAZOU The Astazou III is one of three engines in the Anglo-French helicopter programme which calls for work-sharing between Rolls-Royce and Turbomeca. R-R manufactures about 40 per cent of each engine ordered for the British armed forces and Turbomeca manufactures the remainder. Some 233 complete engines have been built, tested and delivered from Leavesden for use in the single-engined Westland/Aerospatiale Gazelle helicopters for the British armed forces, and 200 engine sets have been supplied to Turbomeca for engines for the French forces. This programme is now complete but there is the possibility, of further requirements for both the British and French governments. An engine overhaul programme is currently in force at Leavesden. GNOME Still in production after more than 1,800 de liveries and 18 years of service, the Gnome licence-built and Anglicised GE T58 turboshaft engine has now accumu lated 3,000,000hr of helicopter experience. More than 20 civil and military operators use Gnome- powered helicopters in a variety of worldwide land and ship-based roles. Power growth due to progressive develop ment over the years, has improved engine performance by nearly 50 per cent to the 1,660 s.h.p. of the Gnome H1400-1, the present production standard installed in the Westland Sea King and Commando helicopters. Orders for this model are in hand for deliveries pro grammed into 1981. Further new sales prospects are expected to continue into the next decade. ADOUR The; Adour turbofan was developed to power the Sepecat Jaguar supersonic strike/trainer aircraft. Jointly manufactured by Rolls-Royce in the United Kingdom and Turbomeca in France, the engine entered service in 1972. Adours now power three aircraft types in service or on order for the air forces of nine nations. Recent major orders include an agreement with the Indian Government, under which India will buy Adbur-powered Jaguar Inter nationals. The engines will initially be assembled by Rolls-Royce and Turbomeca and later made under licence in India. The first uprated Adour, the 8,0401b-thrust Mk 804, powering the export Jaguar International entered service in 1977. Other versions giving thrust increases for both the reheated and un-reheated engines are under development as the Adour -58 and Adour -56. Current Adour engines in development and production are: The Adour Mk 102 powering the basic Jaguar in RAF and French Air Force which has a take-off thrust of 5,1151b boosted at 7,3051b with reheat. The similarly rated Adour Mk 801A powers the Japanese F.l and T.2 fighter- support and trainer aircraft in service with the Japan Air Self Defence Force. Engines for these aircraft are manu factured under licence in Japan by Ishikawajima-Harima Heavy Industries (IHI). The 5,2001b minimum take-off thrust Adour Mk 151 is an unreheated version of the engine which powers the British Aerospace Hawk ground attack/trainer aircraft. The RAF has 175 Hawks on order, and is considering increasing its requirement for the aircraft, which it put into service in 1976. Designed for Jaguar International export aircraft, the Adour Mk 804 is a reheated engine with a take-off thrust of 5,3201b boosted to 8,0401b with reheat. It is now in service in Jaguars operated by Oman and Ecuador. The RAF is progressively converting its Mk 102 engines to Mk 804 standard. Two further versions of the Adour engine are being developed giving improved performance in both reheated and non-reheat applications: the Adour -56 for future Hawk aircraft, has a take-off thrust of 5,7001b and made its first run in December 1977, and will be available for service in 1980. The engine is on offer for the US Navy's VTX studies of a new advanced jet trainer. The Adour -58, first run in February 1978 and has a take-off thrust of 5,5201b, boosted to 8,4001b with reheat, a 15 per cent increase compared to the basic Mk 102. The -58 gives thrust increases throughout its operating range, with up to 37 per cent more at low-level, high-speed cruise than the Mk 102. Rolls-Royce and Turbomeca are studying versions to produce 6,500-10,0001b with reheat. Turbo-Union RB.199 The RB.199 is under joint three-company develop ment for the Panavia Tornado multi-role combat aircraft. R-R, with a 40 per cent share in the programme, is respon sible for the 1-p compressor, combustor, h-p turbine, after burner and ducts, and fuel control systems for the main engine and afterburner. MTU, also with a 40 per cent share, is responsible for the i-p and h-p compressors, the i-p turbine, intermediate casing and gearbox, bypass duct, integral thrust reverser and operating controls. Fiat shares its 20 per cent with Alfa Romeo and Motoravio Sud, and has responsibility for the 1-p turbine and shaft, rear bearing support, jetpipe and variable nozzle. The RB.199-04 version, which corresponds to the MklOl production stan dard, first flew in the Vulcan testbed in January last year and then in Tornados from March onwards. Total planned requirement of RB.199-34s for the intended UK, German and Italian procurement of 809 Tornados is over 2,000 units. First deliveries of the aircraft are scheduled to start late this year. Aircraft for export and later produc tion aircraft will have Mkl02 engines with enhanced per formance. Turbo Union RB.199 for Tornado 01'
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