Lake buggy airboats provide airboat plans for mini airboats so you do not need to know how to design an airboat because we show you how to build an airboat. The hull is about more than just good looks. the shape of the hull affects the speed, stability, and maneuverability of the rc boat. flat-bottom. Volvo open 70 boats and sailboats models plans. volvo ocean race sailboat this plan is not scaled and seams to be cropped. even so it is possible to build a model.