There was an extended forum thread (on pretty much all aspects of Concorde - went on for tens or hundreds of pages) that was linked from here once - afraid I don't have it to hand.
If this thread is anywhere, I would bet its on flyertalk (awesome air travel forum with great info).
Maybe this one:
http://www.pprune.org/tech-log/423988-concorde-question.html
Re:Drop the Supersonic Aircraft Ban
by CaptainZapp on Tuesday June 14, 2016 @01:50AM
(#11900055)
Very interesting.
Thank you very much.
I'm genuinly interested.