FIELD: sea fleet. SUBSTANCE: leading vessel is made in form of catamaran with platform which is swivel in CL. This platform carries ice cutter and ice separating projection. Catamaran is outfitted with skis on the sides provided with vertical drive. These skis make it possible to bring catamaran hull on ice cover surface without dynamic action on the hull, thus reducing dynamic loads during motion of the entire device. EFFECT: enhanced efficiency. 3 dwg
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