LOS ANGELES—Rolls-Royce has begun flight tests of its composite carbon/titanium (CTi) fan blade that will be a key feature in the company’s next-generation Advance and UltraFan engine designs. The lightweight fan is mounted on a modified Trent 1000 in place of the engine’s conventional hollow titanium set and is attached to the No.2 engine position under the wing of the company’s Boeing 747-200 flying testbed, which operates from Tucson, Arizona. The tests form part ...

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