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.. Download plans at aerofred model airplanes plans. want to see more search results? every day our listing editors set details like wingspan, weight or model type. Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953..