| 摘要 |
<p>Cross-stream rudder (1) comprises a shaft with an advancing channel with walls closed up to lateral ducts for the advancing channel and receiving an advancing element (2). The ducts seal the advancing channel. The advancing element travels within the shaft and has a fixed operating position in the region of the advancing channel. Preferred Features: The shaft has a detachable lid (4) lying above the water line. The advancing element is fixed to the shaft so that it can be removed from the shaft.</p> |
