Rolls-Royce Launches Single-Aisle UltraFan Demonstrator Design

Heaven engine illustration

This illustration shows design elements of Rolls-Royce's Heaven technology project.

Credit: Rolls-Royce
Rolls-Royce aims by mid-year to freeze the design of a smaller demonstrator version of the UltraFan geared turbofan as part of plans signaling its serious intent to target the single-aisle market in the 2030s. The demonstrator is scheduled to undergo ground tests in 2028 and will pave the way for a...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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