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NASA tests 'son of Concorde' supersonic X-plane

CAPSLOCKSTUCK

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Called the Quiet Supersonic Technology (QueSST) X-plane, it is being built by Lockheed Martin.
http://www.lockheedmartin.com/us/products/QueSST0.html


The space agency this week began testing a nine percent scale model of Lockheed Martin's X-plane design in Cleveland, amid hopes a full size version could fly in 2020.




QueSST is designed to fly at Mach 1.4, 55,000 feet above the ground.

The aircraft is shaped to separate the shocks and expansions associated with supersonic flight to reduce the volume of the shaped signature, and was developed by Lockheed's Skunk Works over 20 years.

During the next eight weeks, engineers will expose the model to wind speeds ranging from Mach 0.3 to Mach 1.6 (approximately 150 to 950 mph) to understand the aerodynamics of the X-plane design as well as aspects of the propulsion system.

The project is the first in a series of 'X-planes' in NASA's New Aviation Horizons initiative, introduced in the agency's Fiscal Year 2017 budget

NASA expects the QueSST X-plane to pave the way for supersonic flight over land in the not too distant future.

'We'll be measuring the lift, drag and side forces on the model at different angles of attack to verify that it performs as expected,' said aerospace engineer Ray Castner, who leads propulsion testing for NASA's QueSST effort.

'We also want to make sure the air flows smoothly into the engine under all operating conditions.'


'We need to see how the design performs from just after takeoff, up to cruising at supersonic speed, back to the start of the landing approach,' said David Stark, the facility manager.

'The 8' x 6' supersonic wind tunnel allows us to test that sweet spot range of speeds all in one wind tunnel.'

Recent research has shown it is possible for a supersonic airplane to be shaped in such a way that the shock waves it forms when flying faster than the speed of sound can generate a sound at ground level so quiet it will hardly will be noticed by the public, if at all.

'Our unique aircraft design is shaped to separate the shocks and expansions associated with supersonic flight, dramatically reducing the aircraft's loudness,' said Peter Losifidis, QueSST program manager at Lockheed Martin Skunk Works.








http://www.prnewswire.com/news-rele...n-for-a-quieter-supersonic-jet-300413299.html
 

dorsetknob

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Dorset where else eh? >>> Thats ENGLAND<<<
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The French have long memories ( and Bitter )o_O
Senator Peppe,la Pugh (NF) of the French parliament has Said he will Pressure the EU into Banning its Commercial use in EU Air Space
Citing "They Banned our Beloved National Treasure for going Supersonique in the 70's, this one will still going to go la Bang boom so we have to Ban it
We have to think of the Children":nutkick:
 

CAPSLOCKSTUCK

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this one will still going to go la Bang boom so we have to Ban it


Recent research has shown it is possible for a supersonic airplane to be shaped in such a way that the shock waves it forms when flying faster than the speed of sound can generate a sound at ground level so quiet it will hardly will be noticed by the public, if at all.
 
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