Thanks fellas
I guess well see if it works when I that engine on the back of it [img]/images/graemlins/confused.gif[/img] The transom core is 3/4 inch plywood sandwiched between two layers of 5/8 corecell. After I did it it thought that I should have done it the other way around and sandwiched a piece of corecell between two pieces of plywood. I have a drain in the center stringer but Trayder is right and I need to add one on each of the outside stringers before I close it all up. Here are a couple more pics.
Strick