Doubling up the sternI uI

 
 This first photo shows the extra pieces that I have cut to add thickness to the hull stern flanges. Notice the slim crescent shaped flange thickener that I have preformed to fit the trailing edge of the stern.  

Here's a shot of all the pieces after they have been bonded in place. I used a v grove flooring adhesive spreader to coat the bonding faces with a generous amount micro thickened epoxy.