Learning curve 3: while fitting the inwale and gunwale it became clear that there was a small tendency for the glass to delaminate from the soft balsa.. Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953.. Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953..

