A new upgraded Trent XWB-84 engine is set to be certified later this year before entering service from 2025 to power Airbus A350-900s, according to Rolls-Royce.
Details about the new development, and news of further engine upgrades, were revealed during a press briefing at Rolls-Royce’s London headquarters last week, with AeroTime in attendance.
The Group Director of Engineering, Technology & Safety, Simon Burr, said that Rolls-Royce had been pursuing an improvement in fuel performance currently delivered by the highly successful XWB-84 engine.
With the new upgrades in place, the engine fuel efficiency will improve by 1% and help to further reduce CO2 emissions omitted by the XWB-84s currently in service.
Burr confirmed that almost all the testing had been completed and over 100 test flights successfully conducted.
To improve performance even further, a new innovative disc alloy developed by Rolls-Royce will be introduced on XWB-84 and XWB-97 engines next year.
Other enhancements to the XWB-84 include a new process which redistributes cooling air through the HPT blade, reducing temperature significantly.
Rolls-Royce have also been working to improve the Trent XWB-97 engine, in response to a drop in durability in hot and sandy environments where some of its…
Source www.aerotime.aero
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