Boat plans for power, sail and small boats. free boat plans. boat kits and supplies plus the best boat building technical support.. Dinghy sailing is the activity of sailing small boats by using five essential controls: the sails; the foils (i.e. the daggerboard or centreboard and rudder and. Links to boat plans some free boat plans, boat building information including plywood stitch and glue. full range of boat plans from sophisticated yachts to plywood.