FIELD: shipbuilding; swinging propellers. SUBSTANCE: swinging propeller is provided with electric motor located in tight streamlined housing and propeller with counter-propeller mounted behind it; it is rotated by its own electric motor. Shaft of counter-propeller is arranged inside hollow shaft of propeller. Propeller and counter-propeller may be arranged inside steering nozzle. EFFECT: enhanced efficiency. 3 cl, 1 dwg
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