Nzmal analysed the postings and said that he would start afresh looking at 40=45 ft. Excellent decision.
Sadly, he assessed that one of us was going to tell him he was totally unsuitable. Real sad!
Having welded many rusted decks etc I sure hope he sticks with plastic...there's a reason why glass boats are much more expensive than iron oxide boats per foot.
bounces off stone better, sure, but Mk1 eyeball and GPS
are preventative medicine rather than a great splint.
And you don't need to cruise
with a Mig welder or oxy-acetylene bottles.