FIELD: shipbuilding. SUBSTANCE: aft above-water portion of hull is wider than its fore pointed portion which is provided with S-shaped stem; bottom-ski is made at sweep angle of 12 to 13 deg.; aft portion is provided with side sections of hydrofoil; aft edges of each of last section are provided with running trim rudder; hull is provided with side sponsons located at negative angle relative to horizontal waterplane forming side tunnels together with central portion of the hull; crowns of tunnels form negative angle with horizontal waterplane equal to 4 deg. EFFECT: enhanced efficiency. 3 dwg
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