Rolls-Royce’s Trent XWB high-bypass turbofan family, developed specifically for the A350 and the only powerplant option available on the new Airbus twin, produces 75,000-97,000 lb. of thrust at takeoff. The XWB-84, powering the initial A350-900, is rated at 84,200 lb. up to ISA+15C. XWB-family engines offer the lowest specific fuel consumption, as well as lowest noise and emissions, of any of the Trent-series powerplants. The engine maker says the Trent XWB is the most ...

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