Mike Ash wrote:
/snip/
I've only experienced wet wings in one glider (one of the club
two-seaters) but I've read some things about it, and the most striking
thing is how differently different airfoils will respond to being wet. /snip/

I used to keep a C150 on a tie down.
On an annual, the A&P warned me it's important to check that the surface
and fuselage drains are clear. As soon as you think about it, you
realize the effect of just a quart or two of water sloshing aft on a
climb out.

Another time, after a snowfall in Dallas (!!) the tail drooped down to
the ground....

Poor abused airplane!

Brian W