FIELD: transport engineering. SUBSTANCE: propelling member of wheeled propeller of air cushion vehicle is made in form of ring made of porous material fitted on hub, axes of symmetry of porous ring and hub being parallel to each other. Moreover, porous ring can be made of several circular layers with outer layer of increased rigidity relative to other layers. Wheeled propeller can be made with roller engaging with outer surface of porous ring for evacuation of water from ring. Axis of rotation of roller is parallel to axis of rotation of hub, and distance between axes is smaller than sum of radii of ring and roller. EFFECT: enlarged operating capabilities. 5 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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|
SU1820193A1 |
| CONTROLLABLE-PITCH PROPELLER | 1994 |
|
RU2095278C1 |
