All four of the inside frames were either cracked or crumbling. As we live in the middle of the country I don't have access to all of those chandlery and parts stores you 'coasters' do. I'm going to try something along the lines of the Morris Yachts daysailor. If it all turns to $#!^ I can always backtrack to the bolted on ports, even though its not my favorite. I suppose we could drop three grand and buy some shiney, big opening ports. Yeah, right...