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@SimonS1 – yes I agree it looks optimistic but it was only seventeen years between the introduction of the first jet airliner and Concorde. If there is enough “push” behind it , it will happen.
No it wasn’t, it was nearer 25 years than 17.
Well if you want to pedantic, the first jet liner, the Comet, flew in 1949 (first commercial flight in 1952). Concorde’s maiden flight was in 1969 – ie. 20 years. Split the difference, gentlemen!!
Tom – ‘introduction’ means into revenue service.
The Comet made it’s first revenue flight in May 1952, the Concorde in January 1976, a difference of 23 years and 7 months – nearer 25 than 17.
I’ll give you that it’s only 20 years between maiden flights, but there was a 7 year gap before the Concorde flew revenue flights.