SHIP WITH VARYING STABILITY Russian patent published in 1994 - IPC

FIELD: shipbuilding. SUBSTANCE: ship has hull 1 connected by means of shafts (provided with drives) with streamlined stability reservoirs 3 located in side recesses when in inoperative position. Side recesses have rolls on their upper walls. Reservoirs 3 have bevels in the ship's CL, pulling ropes secured on free ends of reservoirs 3 and rove on winches in hull 1 and hydraulic drives for forcing them out of recesses. Each reservoir 3 has breakwater 9 near the axis which is connected with hydraulic cylinders 11; free ends of fore reservoirs 3 have breakwater 12 each connected with hydraulic cylinders 13. EFFECT: enhanced efficiency. 7 dwg