http://www.sacbee.com/2011/12/05/4100907/geared-for-success-landmark-year.html
(Photo Credit: P&W)
Monday, December 5, 2011
P&W PurePower Geared Turbofan Gears Up
There is good reason that Time Magazine would place this so high on their list of 2011 aviation contributions. I don't know that I would necessarily place it number one, but the concept promises to be very powerful in improving fuel efficiency without having to go to noisy (and from the passengers' point of view outdated) turboprop configurations. The difference with this fan is that instead of using exhaust gases coming off the high temperature turbine to spin the fan, this concept uses a (potentially) higher efficiency gearbox to do the same thing. It becomes basically a shrouded turboprop or ducted fan configuration.
http://www.sacbee.com/2011/12/05/4100907/geared-for-success-landmark-year.html
http://www.sacbee.com/2011/12/05/4100907/geared-for-success-landmark-year.html
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