[russb]

Send him the link below if you really want to blow his mind. 100 pages of discussion between pilots, designers, aerodynamicists, FAs, etc.

CliveL was my favorite.

https://www.pprune.org/tech-log/423988-concorde-question.htm...

[throwaway_sst]

Or he might like this, reorganised for his reading pleasure: https://paulross.github.io/pprune-concorde/docs/index.html