World's most efficient aero-engine, the Rolls-Royce UltraFan, completes first test.

Rolls-Royce has announced the first test of its new "green" UltraFan jet engine at their test facility in Derby, United Kingdom. The company claims the new engine is the quietest and most fuel-efficient engine ever, delivering around 10% better fuel efficiency than the world's current most efficient aero-engine, the Trent XWB.

The innovative engine has a massive 140-inch diameter fan with a relatively small core that is, Rolls-Royce claims, the "key to its efficiency." The engine can deliver 64MW of power during testing and offers a 25% fuel burn improvement over its competitor like the Trent, as mentioned earlier engine.

The test occurred at Testbe,d 80 facility in Singin, with the UltraFan demonstrator engine running on 100% Sustainable Aviation fuel (SAV). Rolls-Royce explained that this fuel is derived primarily from waste-based feedstocks like cooking oil.

Source: https://interestingengineering.com


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