On Dec 26, 1975 – Tu-144, the world's first commercial supersonic airc ...

in DBuzz • 4 years ago




Posted via D.BuzzOn Dec 26, 1975 – Tu-144, the world's first commercial supersonic aircraft, surpassing Mach 2, went into service. https://t.co/8jmus0aeHc https://ipfs.io/ipfs/Qmc2nSqXipJndJ6ro8Lu1Th7kMhS3RLgutXe2qobmsfcJb

#TU-144 #USSR #History
4 years ago in DBuzz by
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     4 years ago  

    That is the Mach thing?

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       4 years ago  

      Unit of sound velocity

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