UK-based engine manufacturer Rolls-Royce has run what it describes as the world’s most powerful aerospace gearbox for the first time. The gearbox will be fitted to its planned new UltraFan engine. UltraFan, the newest model in the manufacturer’s Trent range of engines, is planned to enter service in the middle of the next decade and will deliver fuel economies of 25% compared to early Trent models, the company said. Rolls-Royce is partnering Liebherr-Aerospace, through their ...

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