Engines
Rolls-Royce in Final Build Phase for UltraFan Demonstrator
The UltraFan engine will perform its first run later this year, powered by 100 percent sustainable aviation fuel.
The Rolls-Royce UltraFan engine has entered the final build stage. (Photo: Rolls-Royce)
The Rolls-Royce UltraFan engine has entered the final build stage. (Photo: Rolls-Royce)

Rolls-Royce has entered the final build phase for the UltraFan turbine engine, which it claims is the world’s largest aero-engine technology demonstrator. The company hopes the engine program will provide a suite of technologies to support sustainable air travel for “decades to come.”


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