Originally Posted by
EXWOK
Anecdotal rther than aerodynamic evidence here - but there was a noticable buffet as one decelerated, accompanied by a significant step in thrust requirement. That point was where we (flight crew) decided we were in vortex lift.Typical speeds would be 270-280 kts at TO mass and about 230-250kts at landing mass.
We're presumably talking IAS?
For some reason, those figures sound familiar even to me.... (from some other discussion, probably).
It would definitely put optimum subsonic cruise at about 350 kts in the "conventional lift" zone.
Anyone know some definite answers?
I hope so!
CJ