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Boom Supersonic’s XB-1 aircraft climbed over 35,000ft on Tuesday before accelerating to Mach 1.1 speed and then breaking the sound barrier in three high-speed runs spanning 35 minutes over the ...
The sound barrier or sonic barrier is the large increase in aerodynamic drag and other undesirable effects experienced by an aircraft or other object when it approaches the speed of sound. When aircraft first approached the speed of sound, these effects were seen as constituting a barrier, making faster speeds very difficult or impossible.
Boom Supersonic’s XB-1 aircraft broke the sound barrier for the first time ever on Tuesday, ushering in a new era of supersonic flight. The jet exceeded Mach 1 after taking off from the Mojave ...
The sound barrier was first broken on Oct. 14, 1947, according to the U.S. Air Force. That's when Capt. Chuck Yeager and the Bell X-1 rocket-propelled aircraft broke the sound barrier.
In the test flight on 28 January 2025, the aircraft broke the sound barrier, reaching speeds up to 650 knots (1,200 km/h; 750 mph) and achieved an altitude of over 35,000 feet (11,000 m). [24] The aircraft became the first privately-funded aircraft to break the sound barrier, reaching a speed of Mach 1.122. [ 25 ]
In 1983 Richard Noble had broken the world land speed record with his earlier car Thrust2, which reached a speed of 1,019 km/h (633 mph). The date of Andy Green's record came exactly a half century and one day after Chuck Yeager broke the sound barrier in Earth's atmosphere, with the Bell X-1 research rocket plane on 14 October 1947.
After getting to altitude, Brandenburg opened up the test plane's throttles, accelerating to Mach 1.1, or about 845 mph (1,360 kph) -- faster than the speed at which sound travels.
In the late 1950s, following the breaking of the sound barrier, first by experimental aircraft, then military aircraft, a supersonic passenger aircraft was thought feasible. By the early 1970s however, opposition led to bans on commercial supersonic flight in Sweden, Norway, the Netherlands, West Germany, Switzerland, Ireland, Canada and the ...