In the 1980s, Boeing unveiled the 7J7—a twin-aisle, propfan-powered aircraft designed to replace the aging 737 and 727 fleets. Promising 60% fuel savings and faster boarding, the 7J7 aimed to ...

General Electric designed this proof-of-concept turboprop “unducted fan” engine as part of NASA’s Advanced Turboprop Project, which was aimed at overcoming the three-fold increase in fuel prices ...

1. GE Aviation is advancing jet propulsion and its next-generation engine core program, called eCore, through several private- and government-funded R&D programs, many with key technology milestones ...

One of the more animated discussions in civil aviation recently has surrounded the choice of engine – or engine options – to power Boeing’s proposed new mid-market airplane (NMA). But with that ...

General Electric is joining with NASA to revive studies of its long-abandoned GE36 unducted fan, or “open rotor” and is simultaneously launching a next-generation CF34 technology effort as part of a ...