Arch davis design offers wooden boat plans, boat kits, dvds, epoxy resin, sails and rigging, masts and spars, marine plywood, and more for the backyard boatbuilder, for sailboats, powerboats and rowboats.. Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953.. Bruce roberts official web site powerboat plans power boat kits for steel boats or aluminum boat designs, cut to size boat kits, part built boats or complete boats. bruce roberts yacht designs offer boat building project management arrangements for boats built overseas at affordable prices. sailboat and powerboat building plans and kits available for building steel boats, fiberglass boats.