Captain Squelch:
If I am not mistaken, the graph you had previously doesn't include everything. If it does, why do you think the Concorde at 2.2M would burn so much fuel than the B707 at over .85M which was designed before the Concorde and had more drag than the Concorde, as your graph clearly depicted? Your graph certainly does not explain this fact, right? I certainly don't think the British and French engineers took a step backward then. Neither do I think the laws of physics have changed since then. Right?
[ 10 December 2001: Message edited by: casual observer ]