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The Sound Barrier is a 1952 British aviation drama film directed by David Lean. It is a fictional story about attempts by aircraft designers and test pilots to break the sound barrier. It was David Lean's third and final film with his wife Ann Todd but it was his first for Alexander Korda's London Films, following the break-up of Cineguild.
Through the NACA program, he became the first human to officially break the sound barrier on October 14, 1947, when he flew the experimental Bell X-1 at Mach 1.05 at an altitude of 45,000 ft (13,700 m), for which he won both the Collier and Mackay trophies in 1948. He then went on to break several other speed and altitude records in the ...
Yeager_supersonic_flight_1947.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 3 min 4 s, 366 × 274 pixels, 297 kbps overall, file size: 6.51 MB) This is a file from the Wikimedia Commons .
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It was in the X-1 that Chuck Yeager became the first person to break the sound barrier in level flight on 14 October 1947, flying at an altitude of 45,000 ft (13.7 km). George Welch made a plausible but officially unverified claim to have broken the sound barrier on 1 October 1947, while flying an XP-86 Sabre. He also claimed to have repeated ...
On 10 June 1948, Air Force Secretary Stuart Symington announced that the sound barrier had been repeatedly broken by two experimental airplanes. [ 23 ] [ 24 ] On 5 January 1949, Yeager used Aircraft #46-062 to perform the only conventional (runway) launch of the X-1 program, attaining 23,000 ft (7,000 m) in 90 seconds.
The pictures above demonstrate the still amazing visual effects that occur as military aircraft punch through the sound barrier and travel faster than sound itself. More from Business Insider:
Colonel Remy Van Lierde, DFC & Two Bars (14 August 1915 – 8 June 1990) was a Belgian pilot and fighter ace who served in the aviation branch of the Belgian Army and the British Royal Air Force (RAF) during the Second World War, shooting down six enemy aircraft and 44 V-1 flying bombs, and achieving the RAF rank of squadron leader.