FIELD: shipbuilding; water-jet propulsors of ships and other craft. complex includes two centrifugal pumps 2 located in ship's stern 1; pumps are provided with water inlet branch pipes (not shown) and outlet branch pipes 3 with nozzle orifices 4 and inserts 5. Aft inner skin 6 of insert is made in form of surface of wing with convexity towards ship's bow and opposite internal surface of fore skin 7 is provided with artificial roughness. At area of turn of outlet branch pipe, vertical plate-type interceptor 8 is located on fore inner skin, thus making it possible to obtain additional thrust and to enhanced efficiency. EFFECT: enhanced efficiency of propulsive complex. 1 dwg
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