Ah nostalgia: hoop skirts, bobby-soxers, big-band swing and airliners with propellers pulling them through the skies. Remember? Get set for a dose of deja vu. NASA and a bevy of big-time aeronautical ...

If one chooses the unducted-fan (UDF) engine path, as mentioned in “Smoke and Mirrors” (AW&ST July 26, p. 32), a viable UDF will not be available much before 2025. Can an airframer start now to invest ...

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 ...

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 ...

Boeing Co. said it selected General Electric Co.`s new unducted fan engine as the base power source for its new 7J7 airliner. Boeing selected GE after rejecting a competing engine from International ...

Will spiralling fuel costs and the prospect of carbon credits signal the return of the propfan? Engine makers are dusting off some old concepts On display in Boeing's Future of Flight centre in ...