[WWI] vac wings

Grzegorz Mazurowski grzem at onet.eu
Tue Feb 13 08:39:15 EST 2007

> Thanks - this is one of my pet peeves.  It annoys me when people call it
> "sag" because the phenomenon is actually caused by the *tightness* of the
> fabric, not the slackness!

Aaaaah! I understand. On my side it was linguistic, not technical problem. I
did not understood proper meaning of the word "sag". I know perfectly well
that the fabric is very tight, as I have some experience with fabric covered
airplanes and gliders.


More information about the WWI mailing list