The return of supersonic commercial flight...

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cmartinez

Joined Jan 17, 2007
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https://edition.cnn.com/travel/arti...breathing-rocket-scli-intl-gbr-scn/index.html

In April 2019, Reaction Engines announced successful tests of a precooler, simulating conditions at Mach 3.3, or more than three times the speed of sound. That's more than 50% faster than the cruising speed of Concorde -- which used to make the journey between New York and Paris in around 3.5 hours -- and matches the speed record of the fastest jet aircraft ever made, the Lockheed SR-71 Blackbird.
Recent tests prove that the component can cool gases from over 1,000 C to ambient temperature in less than 1/20th of a second, according to a statement from Reaction Engines.
 
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