Rolls-Royce starts power runs of new UltraFan gearbox
Rolls-Royce has started power runs of the new gearbox for the first time, marking another significant step in the development of its new UltraFan engine design. UltraFan, which will be available from 2025, will offer a 25% fuel efficiency improvement over the first generation of Rolls-Royce Trent engine, with power scalable for widebody or narrowbody […]
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