That hole goes right under the tail bone, approx. 3" diameter?

I'll give that a try, thanks!

: for a seat, the only way to go is to carve it out of closed cell fome. I had
: one that I could sit in all day without moving. seriously. The key is
: putting the holes through the seat where you sit bones are, nerve chord
: that runs under that bone is where most of the nerves to your legs pass.
: holes like in the old lexan sayer canoe seats make al the defferance in
: the world.

: hope that helped.

: Dave