CaptainSandL, "
If it helps, Mach buffet onset occurs at between 0.815 & 0.825 on the classics & at a speed beyond Mmo on the NG's."
Yes, every little bit helps in putting this jig-saw puzzle together, piece by piece we're putting this puzzle together until someone comes up with the correct figure for the aircraft.
What you've demonstrated here (as I'm sure you're aware) are the undesirable aerodynamic characteristics which become obvious, and unacceptable somewhat
AFTER Mcrit has been exceeded, as indicated in my earlier remarks - "
......the speed beyond which some of the undesirable characteristics of high speed flight first appear (Mach Tuck etc.), but these are managable somewhat beyond Mcrit, where jet transport aircraft operate every day. As these undesirable characteristics increase to unacceptable levels, MMO is imposed, with suitable margins of course.
Does anyone have any more pieces to the B737 Mcrit puzzle?
Regards,
Old Smokey