Rolls-Royce Begins Building Giant Fans
Part of the drive to increase engine efficiency and reduce emissions, the Rolls-Royce UltraFan employs advanced composite fan blades.
The UltraFan’s 140-inch diameter fan set will be the largest yet built. (Photo: Rolls-Royce)
The UltraFan’s 140-inch diameter fan set will be the largest yet built. (Photo: Rolls-Royce)