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RollsRoyce Trent Makes First Test Bed Run

RollsRoyce Trent Makes First Test Bed Run grammes has all contributed to the birth of the Trent. The new engine has the same high-pressure core as the -524G/H Rolls-Royce Trent and will also feature a new generation wide-chord fan. Factors incorporated in the Trent Makes First Test design mean that the engine, although larger, will be lighter than the -524G and will operate at lower turbine temperatures. Bed Run Power growth has been achieved by moving to larger fan diameters — the first major increase in nacelle size in the RB211's 21 years of continuous devel­ partners is nearly 20 per cent. ROLLS-ROYCE has run its new Trent opment — with the Trent being offered Frank Turner, director Civil Engines, engine, the world's most powerful in three series. The Trent 600 for the said: "The Trent's first run follows a turbofan at the company's Derby, UK, MD-11 — on which the first engine to facility. series of component rig tests which run is based — has a fan of 94.6 inches; produced outstanding results. We ex­ Trent engines will enter service at the 700 series for the A330 will 97-5 65,0001b and the range covers thrusts ceeded target efficiency levels on the inches while the 800 for the proposed very first run of the IP compressor on up to 185,0001b with growth potential to Boeing 767-X will have a fan of 110 the full-scale rig, and results from the 95,0001b. inches. Both the 700 and 800 are HP compressor told the same story. Rolls-Royce deputy chairman, Sir expected to enter service in 1995. Ralph Robins, said: "The Trent ran on "The pattern continued when we A new four-stage LP turbine is being schedule in August as we had predicted carried out the fan containment test introduced to drive the larger diameter in our long-term planning. The success­ earlier than normal to enable us to fan, three stages having been used on all ful first run of this newest member of the identify any changes which may be previous versions of the RB211. RB211 family provides both the advan­ needed for production design. The test The Trent features an eight-stage HP tage of our three-shaft concept and the programme has given us what we compressor, an additional stage from derivatives, low-risk prove technology expected... predictable, high-standard previous designs, to give increased core approach. results." flow. "The Trent is in a strong competitive Specified for Airbus The HP compressor is a new design position of the next generation of wide- Air Europe became launch customer for offering greater efficiency with improved bodied aircraft with currently-announc­ the Trent on its new fleet of MD-11s tip clearance control exploiting techno­ ed orders and options totally 174 with certification expected in July 1992 logy successfully developed for the engines for the McDonnel Douglas and entry into service the following V2500 engine. MD-11 tri-jet and Airbus Industrie year. Both Cathay Pacific and TWA All Trent-powered aircraft will meet A330 twin-jet and is offered for the have specified the Trent for their A330s, the latest noise regulations by substantial proposed Boeing 767-X twin-jet." the first time a Rolls-Royce engine has margins while previous service experi­ It is being developed with partners in been selected to power an Airbus ence in the engine family will permit Japan, Germany and France. The Industrie aircraft. Currently announced 120-minutes Extended Twin Operations Japanese companies IHI and KHI have orders and options stand at 174 engines. Clearance (ETOPS) from start of opera­ extended existing RB211-524 agree­ It is, in fact, the largest member of the tions for the A330, and 180-minutes ments to cover the Trent, Hispano- RB211 family have been originally ETOPS at the earliest opportunity. Suiza of France will supply the gearbox unveiled at the 1988 Farnborough Air and associated equipment while the Sho wa s the RB211-524L. Rolls-Royce plc, 65 Buckingham recently formed BMW Rolls-Royce Advanced technology in the RB211- Gate, London SW1E 6AT. Tel: 071- company will also be involved. The 524G/H, -535E4 and V2500 pro­ 222 9030. total share taken by risk-and-revenue AIRCRAFT ENGINEERING — October 1990 7 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

RollsRoyce Trent Makes First Test Bed Run

Aircraft Engineering and Aerospace Technology , Volume 62 (10): 1 – Oct 1, 1990

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb037002
Publisher site
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Abstract

grammes has all contributed to the birth of the Trent. The new engine has the same high-pressure core as the -524G/H Rolls-Royce Trent and will also feature a new generation wide-chord fan. Factors incorporated in the Trent Makes First Test design mean that the engine, although larger, will be lighter than the -524G and will operate at lower turbine temperatures. Bed Run Power growth has been achieved by moving to larger fan diameters — the first major increase in nacelle size in the RB211's 21 years of continuous devel­ partners is nearly 20 per cent. ROLLS-ROYCE has run its new Trent opment — with the Trent being offered Frank Turner, director Civil Engines, engine, the world's most powerful in three series. The Trent 600 for the said: "The Trent's first run follows a turbofan at the company's Derby, UK, MD-11 — on which the first engine to facility. series of component rig tests which run is based — has a fan of 94.6 inches; produced outstanding results. We ex­ Trent engines will enter service at the 700 series for the A330 will 97-5 65,0001b and the range covers thrusts ceeded target efficiency levels on the inches while the 800 for the proposed very first run of the IP compressor on up to 185,0001b with growth potential to Boeing 767-X will have a fan of 110 the full-scale rig, and results from the 95,0001b. inches. Both the 700 and 800 are HP compressor told the same story. Rolls-Royce deputy chairman, Sir expected to enter service in 1995. Ralph Robins, said: "The Trent ran on "The pattern continued when we A new four-stage LP turbine is being schedule in August as we had predicted carried out the fan containment test introduced to drive the larger diameter in our long-term planning. The success­ earlier than normal to enable us to fan, three stages having been used on all ful first run of this newest member of the identify any changes which may be previous versions of the RB211. RB211 family provides both the advan­ needed for production design. The test The Trent features an eight-stage HP tage of our three-shaft concept and the programme has given us what we compressor, an additional stage from derivatives, low-risk prove technology expected... predictable, high-standard previous designs, to give increased core approach. results." flow. "The Trent is in a strong competitive Specified for Airbus The HP compressor is a new design position of the next generation of wide- Air Europe became launch customer for offering greater efficiency with improved bodied aircraft with currently-announc­ the Trent on its new fleet of MD-11s tip clearance control exploiting techno­ ed orders and options totally 174 with certification expected in July 1992 logy successfully developed for the engines for the McDonnel Douglas and entry into service the following V2500 engine. MD-11 tri-jet and Airbus Industrie year. Both Cathay Pacific and TWA All Trent-powered aircraft will meet A330 twin-jet and is offered for the have specified the Trent for their A330s, the latest noise regulations by substantial proposed Boeing 767-X twin-jet." the first time a Rolls-Royce engine has margins while previous service experi­ It is being developed with partners in been selected to power an Airbus ence in the engine family will permit Japan, Germany and France. The Industrie aircraft. Currently announced 120-minutes Extended Twin Operations Japanese companies IHI and KHI have orders and options stand at 174 engines. Clearance (ETOPS) from start of opera­ extended existing RB211-524 agree­ It is, in fact, the largest member of the tions for the A330, and 180-minutes ments to cover the Trent, Hispano- RB211 family have been originally ETOPS at the earliest opportunity. Suiza of France will supply the gearbox unveiled at the 1988 Farnborough Air and associated equipment while the Sho wa s the RB211-524L. Rolls-Royce plc, 65 Buckingham recently formed BMW Rolls-Royce Advanced technology in the RB211- Gate, London SW1E 6AT. Tel: 071- company will also be involved. The 524G/H, -535E4 and V2500 pro­ 222 9030. total share taken by risk-and-revenue AIRCRAFT ENGINEERING — October 1990 7

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Oct 1, 1990

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