Two titans of the jet engine world, with two very different approaches to greatness. One is noticeably larger, but how does ...

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 ...

“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 ...

Pratt & Whitney continues to insist its engine offering for the next generation of single-aisle aircraft will be a traditional ducted fan engine, eschewing the open-fan design of its rival CFM ...