In the 1950s, the race to conquer extreme speeds pushed experimental aircraft far beyond what engineers fully understood. The ...

Key Points and Summary - The North American XB-70 Valkyrie embodied a once-dominant creed: outrun defenses at Mach 3 and 70,000 feet. -The prototype proved the physics—compression-lift wingtips, ...

Summary: The XB-70 was designed to be larger and faster than the B-52. It was 196 feet long, 31 feet tall at the tail, with a 105-foot wingspan, and powered by six turbojet engines. -It could reach ...

Hypersonic plane startup, Hermeus, plans to make a plane faster than the SR-71 blackbird spy plane. the SR-71 could reach mach 3.3 and fly at 85000 to 100,000 feet in altitude. Quarterhorse Mk 2 will ...

Summary and Key Points: The Lockheed SR-71 Blackbird, introduced many years ago, remains the fastest production aircraft, flying at more than 2,200 mph (Mach 3.2+) and reaching altitudes over 85,000 ...

A Boeing F-15 is still quite fast, but not nearly Mach 3, the company’s program manager said on Feb. 23, correcting a previous statement. “Mach 2.497 is what we can get out of the Eagle jet and that’s ...

Even more Top Secret than the Lockheed SR-71, the D-21 drone was a promising Cold War idea that could have eliminated the need for manned overflights, although it was mostly unsuccessful. After the ...

Boom Supersonic, a company working to develop passenger aircraft capable of traveling faster than the speed of sound, announced that its planes will be able to fly at supersonic speeds without the ...