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'Quiet Concorde' aims to revive supersonic air travel
Supersonic air travel could be back in little more than five years if a plane that aims to replace Concorde takes to the skies. Boom Supersonic expects a prototype of its passenger plane to make its first test flight by the end of 2018. Subsonic and supersonic tests will take place in the US. If the full-size 55-seat plane is then approved, the first passengers could be traveling at supersonic speeds across the Atlantic by 2023. (www.bbc.com) 更多...
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Ho Hum another re hash of something too expensive and not practical except on paper. Has been posted many times on here over the years and nothing has come of it.
