Radical concept in aircraft propulsion being explored
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posted 9:10 pm 21/03/2012 in
Travel
by thomasslavin
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Boeing's SUGAR Freeze is a cool way to power a plane
No, not the sensation you get when you have gulped your ice cream too fast.
SUGAR Freeze is the a new propulsion concept developed by Boeing that aims to
revolutionize air travel. Standing for Subsonic Ultra Green Aircraft Research,
the NASA-commissioned project (codenamed "N+4") looks at immature technologies
in the hope of kickstarting research for the future. It's reportedly 60
percent more efficient than the equivalent Boeing 737-800, thanks to a very
experimental propulsion system. Cryogenically stored liquified natural gas
(hence "Freeze") is burned in a pair of unducted fan engines while also
powering a solid-oxide fuel cell as an aft-thruster. With LNG projected to
remain abundant, more environmentally friendly and cheap well into the
century, it makes an ideal substitute to current aviation fuel, which is none
of those things. Currently it's far too unsafe a design to contemplate
building, and there are concerns about methane in the natural gas production
process, but hopes remain that the kinks will be ironed out well before the
2045 deadline.
RELATED LINK:
http://www.engadget.com/2012/03/21/boeing-sugar-freeze-propulsion-concept/

If it weren't for Gov money spent on random projects we would have as advanced drones as we have, and that's just one of many, if the Mil Contractors had to survive off of regular Mil appropriations they would go broke between projects, it's not like we order a whole new generation of aircraft every 2-3 years, we make orders every few decades