How not to build a jon boat/ bass boat/ fishing boat michael lopez. loading... unsubscribe from michael lopez? boat framing, hull repair, & brazing: https:. The frame should be drilled to the sides of your boat so that the boat sides do not flex with the added weight of the fisherman. depending on the size of your jon boat, you might need a center brace in the frame to support the middle of your casting deck.. Although the boat is only 12 ft. long, its wide, flat bottom provides more usable space than most round or v-bottom boats of similar size. low-cost, readily available materials are used throughout. frames, gunwales, deck beams, chine logs, seat stringers and seat back are made of pine lumber. the runners and chine moldings are solid oak.. Building a boat (1) | green market press blog ...