[fs19] fast skiff 19: easy to build but able vee hull. this is the larger version of our fs17.. Click on a product for more details, or to add to your cart. thru-hulls and plumbing fixtures. If you’re a boater, you know about the pounding, slapping, exhausting ride that a monohull boat subjects you to. but, with a world cat power catamaran, you get a.