Patent ID: 8726822
Filing Date: 2014-05-20
Classification: B63B

Abstract:
1. A ship of a displacement type that has a transom stern, a longitudinal length L in a design waterline plane, a base plane parallel with the design waterline plane at a distance T corresponding to a design draught of the hull and comprising essentially sinusoidal waterlines, a sloping plane that comprises a bottom in an aft end of the ship and which extends from the transom stern at the design waterline plane to the base plane at approximately L/2, and a bulge on each side and along a part of the length of the hull, terminating at a forward end of the hull ahead of the length L in a tongue shaped bulb member, wherein a relationship between a maximum beam B and the design draught T is more than 7, and where the bulges form the bulb member and aft towards L/2 have a transversal, horizontal orientation from the surface of the hull and which from about L/2 rotate gradually downward 90 degrees into a vertical orientation, so that the bulge at the transom stern lies below a sloping plane and along the outer edges of the sloping plane, but within the maximum beam B and above the base plane.