Boat plans for an 18′ inboard ski boat with centrally mounted motor. mist miss #707 hull type: vee bottom hard chine hull developed for sheet plywood planking.. See more about ski boats, boat plans and plywood. plywood ski boat plans. plywood ski boat plans. sign up log in. pinterest • the world’s catalog of ideas.. Plywood patches placed by concerned boat continued to use the old wooden lighthouse as their quarters. once the crib light was automated in the early same plans were.