Posted for "Christopher Zavatson" <Christopher.Zavatson@udlp.com>:

<<I always thought that the laminar flow separation occurs on the top of

the wing.>>
At low angles of attack NLF airfoils can develop flow seperation on the
bottom of the section. (Cruise condition at high speed) -Flow seperation
on the top occurs at high angles of attack.

Chris Zavatson
N91CZ
L360 std

Christopher Zavatson
Mobility Technologies
United Defense
(408)289-4329