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Open Translation

DERBY, UK: Rolls-Royce has begun assembling its ‘UltraFan’ demonstration engine that will use Sustainable Aviation Fuel to power a new generation of narrow and widebody aircraft.

The engine, with a fan diameter of 140 inches (3.55 metres), will be 25 percent more fuel efficient that the company’s first generation of Trent engines.

Key engineering features includes new ‘Advance 3’ core architecture combined with Rolls-Royce’s ‘ALECSys’ lean burn combustion system to deliver maximum efficiency and low emissions; carbon titanium fan blades and a composite casing that reduce weight by up to 1,500lb per aircraft; advanced ceramic matrix composite components that operate more effectively in high pressure turbine temperatures; and a geared design that delivers efficient power for the high-thrust, high-bypass ratio engines.

The company says the UltraFan will help airlines transition to more sustainable fuels because gas turbine engines “will continue to be the bedrock of long-haul aviation for many years”.

“This is an exciting moment for all of us at Rolls-Royce,” commented Rolls-Royce Civil Aerospace president Chris Cholerton. “Our first engine demonstrator, UF001, is now coming together and I’m really looking forward to seeing it built and ready for test. It is arriving at a time when the world is seeking ever more sustainable ways to travel in a post-COVID 19 world, and it makes me and all our team very proud to know we are part of the solution.”

With the engine expected to begin tests by the end of the year its 50MW gearbox, powerful enough to run 500 family cars, is being completed in Dahlewitz, Germany.
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