RIVER-MARINE SHIP HAVING VARIABLE DRAFT STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a sight-seeing ship, a ferry boat, or a leisure boat capable of sailing on a river and a waterway extremely shallow in the depth of water, and capable of safely sailing at a high speed even on the sea influenced by waves.;SOLUTION: This ship connects two floats to a central hull having a flat bottom pat, controls the draft depth of the floats by using a cylinder or a screw by moving a connecting part, sails as an extremely shallow draft ship of a three-barrel structure composed of the floats and the central hull by pulling up the floats to the central hull side in a place extremely shallow in the depth of water, and sails as a catamaran ship of a catamaran structure by lifting the central hull on a water surface by pushing down the floats below the central hull in a place deep in the depth of water.;COPYRIGHT: (C)2003,JPO