FIELD: shipbuilding; swinging propellers. SUBSTANCE: swinging propeller is provided with electric motor arranged inside tight streamlined housing and propeller with counter-propeller mounted after it; shaft of counter-propeller is located inside hollow shaft of propeller. Propeller and counter-propeller may be arranged in steering nozzle; counter-propeller is provided with acinaci-form blades and blade pitch control mechanism. EFFECT: enhanced efficiency of swinging propeller. 5 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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SU1636299A1 |
