My Arctic Tern with full 6-oz cloth is much the same -- I was suprised at the bit of flexing I can feel, even in big waves, much less going over logs. This flex is actually a benefit. If the boat didn't flex, more damage would be done to your boat. Deeper scratches, etc. Dean

> Just out of curiosity, how flexible is the bottom of your boat? I was
> surprised by the one I made, even though the bottom center panels of the
> one I built had two layers 4oz on the outside,and the interior had two
> layers of 4oz to the second bottom panel it pops in a bit paddling over
> submerged logs. Nothing broke or cracked , it just flexed more than
> expected.

> have fun paddling