| 摘要 |
An unstayed sail for a water craft, such as a spinnaker, is provided with tapes along its luff and leech, which can be brought into contact with each other, for releasable engagement, solely by finger pressure. This permits the spinnaker to be prepared for easy hoisting in a short time, even under difficult conditions of rough seas and little or no light. On hoisting the spinnaker, the sheet and guy are pulled apart in order to separate the tapes and permit the spinnaker to fill with wind in a controlled manner, from foot to head.
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