How fast does it go? for estimating the speed for small outboard planing boats see planing speed boat chart. this chart should be used for. Baby bootlegger. this iconic racing boat was originally designed by george crouch in 1924 and went on to win the 1924 and 1925 apba gold cup. our plans for this boat. Specmar catamaran hulls are either symmetrical or asymmetrical in design. a symmetrical hull consists of two basic v-bottom hull structures. asymmetrical hulls are.