FIELD: shipbuilding.
SUBSTANCE: invention relates to underwater shipbuilding, in particular to double-hull submarines. Submarine with sealed, sturdy and lightweight hulls is proposed. Special feature of the proposed submarine is that a lightweight hull, that covers sealed sturdy hull, is made of porous metal, and the space between the hulls is connected by an air pipe with a high-pressure compressor, where the air pipe is provided with a shut-off (valve).
EFFECT: technical result consists in reduced hydrodynamic drag and consequently increased speed of the submarine movement.
1 cl, 1 dwg
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