FIELD: watercraft propulsors using wave energy; propulsors used for motion of watercraft and for performing function of anchor. SUBSTANCE: propulsor includes blades connected in succession by means of load-bearing rods and fastening unit; propulsor is additionally provided with wave energy converter made in form of streamlined body with positive buoyancy and fitted with tail stabilizer. Converter is connected with near and far blades by means of guide rods; it may be connected with watercraft by means of tow-rods. Far blade is rigid and may be connected with watercraft by means of tow- rod (tow-rods). Each blade but for far blade (relative to converter) may be made from strip of cloth; fastening units may be made in form of rigid ribs connected with blade along their chords and with load-bearing rods which may be made in form of strips of cloth. EFFECT: enhanced efficiency of propulsor; reduced effect of propulsor on sea-going properties of watercraft. 6 cl, 2 dwg
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