Rolls-Royce has performed the first power runs of the gearbox for its new UltraFan engine at a facility in Germany. The engine manufacturer described the gearbox as a vital component of the UltraFan’s design and said this is a “significant step” in the engine’s development. In 2016, Rolls-Royce put the gearbox through its paces on an attitude rig, designed to simulate flight conditions such as takeoff, climb, banking, descent and landing.  Building on this, ...

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