Low approaches in ground effect

nafod40 wrote:
Interesting observation. Flying in ground effect places the center of
pressure of the wing at about mid-chord, while out of ground effect the

Are you sure? Note that a forward CG implies a pitch down moment which
would have to be compensated by negative lift on the tail. Hence
performance degradtation, contrary to what ground effect is supposed to
create.

I'm still searching for a good explanation of ground effect :-)

Cheers
-Gerhard
--
Gerhard Wesp o o Tel.: +41 (0) 43 5347636
Bachtobelstrasse 56 | http://www.cosy.sbg.ac.at/~gwesp/
CH-8045 Zuerich \_/ See homepage for email address!