Abstract: An elongate hull configuration includes a top decking, a forward cutting edge sloping downwardly, rearwardly and laterally from a top point, a first side wall sloping downwardly and inwardly throughout its length, and a second side wall having a spiraling configuration in which it slopes downwardly and outwardly adjacent the prow and slopes downwardly and inwardly adjacent the stern, the second side wall undergoing a smooth transition between its two ends.