CFM Unveils ‘Open Fan’ Demonstrator Plan For Next-Gen Engine

Guy Norris June 14, 2021
cfm open rotor engine
The Open Fan demonstrator will also be a puller, or tractor, configuration with a single stage of rotating blades and a second nonrotating stage of active, variable-pitch stators.
Credit: CFM
CFM International joint venture partners GE Aviation and Safran have launched an aggressive technology development program to pave the way for a new generation of fuel-efficient unducted—or open fan—engines to enter service around the mid-2030s. Also known as an open rotor engine, the open fan...
Guy Norris

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

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