Abstract
Ishikawajima-Harima Heavy Industries Co Ltd (IHI) and the University of Tokyo recently developed a fast ferry by applying the concept of super-slender twin hull (SSTH). Low wave-making resistance by a super-slender hull form contributes to good fuel economy. Good seaworthiness by a super-slender hull form and a specially designed bow shape have also been confirmed by means of a series of model tests. Principal features of a prototype design are as follows: length between perpendicular = 75m, breadth (moulded) = 19.4m, draught (moulded) = 2.3m, four sets of 6000 ps high-speed diesel as main engine. Both propeller and water jet are used as propulsion system. The hull structure is made of aluminium alloy. A small version of the SSTH ferry was scheduled to be launched in August 1991, and its advantages will be verified in the open sea.
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