FIELD: transport.
SUBSTANCE: invention relates to ship building, particularly to displacement ship with air cavities in bottom. Proposed ship is equipped with device to create air cavities under bottom including cavity-forming system made up of inclined transverse plates arranged one after another and lengthwise constricting keels arranged on bottom sides. Ship incorporates forced air feed system to create and maintain cavities behind aforesaid transverse plates. Transverses plates and lengthwise keels of said retractable system may unfold and fold to fit bottom on turning about on turning about their lengthwise axles on ship bottom.
EFFECT: improved operating performances, higher reliability.
5 cl, 4 dwg
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