Development of Rolls-Royce’s future engine architecture has taken another step with the signing of a collaboration agreement between Airbus and the British OEM.   Helped by funding from the European Union’s CleanSky 2 program, Airbus and Rolls-Royce will prepare the latter’s ‘UltraFan’ for flight testing. Like the Pratt & Whitney PW1000 series, UltraFan uses a geared design, which Rolls-Royce hopes will contribute to a 25% fuel burn ...


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