The open-fan revolution takes flight, but will it overcome safety and perception hurdles?

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 ...

The Open Fan demonstrator will also be a puller, or tractor, configuration with a single stage of rotating blades and a second nonrotating stage of active, variable-pitch stators. Credit: CFM CFM ...

Pratt & Whitney's greatest commercial-engine gamble in decades is now running on a test stand in Florida. P&W believes its GTF geared turbofan is a "game changer" that can address both the aviation ...

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 ...

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 ...