| 摘要 |
In a sail arrangement, in particular a rig for a surfboard, the sail-cloth (3) is stretched with double walls between a rigid luff and a rigid leech, in the course of which it encloses a crowned profile body at least in the front third. By rotation of a vertical adjusting tube which is connected by adhesion to the aft sail end, the windward-side area of the sail-cloth (3) can be tightened and the lee-side sail area can be slackened, as a result of which an accordingly curved wing profile is formed with the assistance of the wind forces, as can best be seen from Figure 2. <IMAGE>
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