: If glass or kevlar is under-reinforced, it will simply deflect. Carbon will
: snap. I might try a foam-cored rib that I could vacuum-bag under another
: layer of glass.

Hmmm.... I don't recall having any troubles with our carbon paddles from Whetstone, but then again, we haven't tried pole vaulting off the bottom of a pool either . Maybe a combination of fabrics would work. The Whetstone blades have S-glass on them as well, I believe.

This whole incident brings back a memory of a previous conversation ... :-)

http://www.kayakforum.com/cgi-bin/Building/index.cgi?read=41348

PS: Didn't anyone ever tell you not to roll your kayak in the kiddie pool :-)

Bill