FIELD: transportation.
SUBSTANCE: wheel propeller comprises cylindrical rim with rigidly installed blades. Blades are made as zigzag with converging elements, which are connected by crosspieces, and are symmetrically located relative to longitudinal axis of wheel. Strakes are installed on wheel blades at the angle of up to 15 degrees to radial axis of blade to the side of rotation direction with discrecity not less than strake width, moreover, strakes of each subsequent blade are displaced relative to the previous one by value that is not more than 2B, where B is width of strake.
EFFECT: invention makes it possible to increase propeller traction force and adhesion to frozen soil and ice.
4 dwg
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