Supersonic Flight Prepares for Takeoff (Again)

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The first commercial supersonic era, from 1969 to 2003, had some well-documented issues. There was the tragic crash of Air France Flight 4590, a Concorde jet that went down in flames just after takeoff in July 2000. There was the window-rattling sonic boom produced by successful flights, which precluded airlines from scheduling overland routes. And there was the cost of fueling four gas-guzzling turbojet engines, which required 6,770 gallons of fuel an hour to reach and maintain a cruising speed of Mach 2—just under 1,500 miles per hour. The new breed of supersonic aircraft brings a reduction in both noise and environmental…



Source link: https://www.wsj.com/articles/supersonic-flight-prepares-for-takeoff-again-1522850332?mod=pls_whats_news_us_business_f

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