Could an open fan engine cut carbon emissions for more sustainable aviation? | Airbus
Cheap fuel killed propfan concepts decades ago. Can CFM's revived concept endure? | Analysis | Flight Global
Cheap fuel killed propfan concepts decades ago. Can CFM's revived concept endure? | Analysis | Flight Global
Unducted Fan - Airliners.net
GE resurrects the propfan aircraft engine, cutting fuel burn by 20%
Aviation My Love - KNOWLEDGE 😍 👉PROPFAN ENGINE 🥰 👉A propfan, also called an open rotor engine, unducted fan, or ultra high-bypass turbofan, is a type of aircraft engine related in concept
Could an open fan engine cut carbon emissions for more sustainable aviation? | Airbus
Whatever happened to propfans? | News | Flight Global
Semi unducted fan. - Airliners.net
Propfan - Wikipedia
TIL there's something called an Unducted Fan Engine : r/aviation
Aerospaceweb.org | Ask Us - Propfan Engines
How RISE Arose: The Story Behind Decades of Innovations That Bring CFM to a Pivotal Moment - The GE Aerospace Blog | Aviation & Flight News
General Electric GE36 - Wikipedia
Jet engine - Turboprops, Propfans, Unducted Fans | Britannica
The Dreams And Reality Of A Future Airliner | WIRED
Jet engine - Turboprops, Propfans, Unducted Fans | Britannica
Variations of Jet Engines
Safran Open Rotor – The Next Engine Design Leap? - Mentour Pilot
Ultra-high by-pass (UHB) engines, prop-fans and unducted fans | Helicopters & Aircrafts
Variations of Jet Engines
Why didn't the UDF (Unducted Fan/Propfan) catch on? - Quora
Evolutionary Trail Of The Open-Fan Engine | Aviation Week Network
