FIELD: transport.
SUBSTANCE: invention relates to water-walkers with valve-type propulsors. Skis comprise two cylindrical floats 2 with skewed nose 3. Size and angle of opening of different-size of float blades 7 - 9 increase from bow 3 toward stern 5. Blades 7 - 9 can be provided with retainer to prevent sticking of blades to float bottom and keel arranged along lengthwise axis of said blades.
EFFECT: increased useful thrust.
2 cl, 5 dwg
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