| 摘要 |
Boat rudder having at least one vertically arranged rudder blade, which can be set against the headway flow via a rotary shaft mounted in a fixed position on the boat, and a pivot connection between rotary shaft and rudder blade, which enables the rudder blade to be swung out in its plane, a hydrofoil 10 being arranged on the rudder blade 9 at a section remote from the pivot 7, which hydrofoil 10 is orientated largely horizontally in the rest position of the rudder blade 9. <IMAGE>
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