FILE PHOTO: A model of the CFM International RISE, an open rotor engine under development by CFM International, a 50-50 joint venture between American GE Aerospace and French Safran Aircraft Engines, ...

The open-fan engine has become aviation’s favorite near-future miracle: a sleek, exposed set of blades that promises a step-change in fuel burn, just in time for the mid-2030s clean-sheet airliner ...

Safran Aircraft Engines is ramping up system-level testing for a future open-fan engine as it builds towards full-scale ground tests next year of the front module – including the 4m (13ft)-diameter ...

“Yes, we are working on an open-fan architecture, but we need to be prepared for any architecture,” he says. Acknowledging there are still “lots of challenges” to be overcome to bring an open-fan ...