Rolls-Royce Trent 900

Trent 900
Type Turbofan
National origin United Kingdom
Manufacturer Rolls-Royce Holdings
First run 18 March 2003[1]
Major applications Airbus A380
Developed from Trent 800
Developed into Trent 1000

The Rolls-Royce Trent 900 is a high-bypass turbofan produced by Rolls-Royce plc to power the Airbus A380, competing with the Engine Alliance GP7000. Initially proposed for the Boeing 747-500/600X in July 1996,[2] this first application was later abandoned but it was offered for the A3XX,[3] launched as the A380 in December 2000.[4] It first ran on 18 March 2003,[1] made its maiden flight on 17 May 2004 on an A340 testbed,[5] and was certified by the EASA on 29 October 2004.[6] Producing up to 374 kN (84,000 lbf) of thrust, the Trent 900 has the three shaft architecture of the Rolls-Royce Trent family with a 2.95 m (116 in) fan.[6] It has a 8.5–8.7:1 bypass ratio and a 37–39:1 overall pressure ratio.[7]

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