Download our flat bottom boat design for the extreme flats 20, a light weight, quiet hull with low freeboard. buy flats boat plans and more at bateau.com!. Home » power boats » power boats 17′ to 20′ classic 17 economical and able vee-hull outboard boat available with a center console or a dual a flats boat. Is it posible to combine a "v" hull design with flat bottomed hull design? for good handling in rough waters and good planing when posible? with high….