| 摘要 |
A flexible, propulsive wing of the 4-line type especially suitable for kiteboarding, has, at the rear portion of the wing tip a first pulley means attached thereto, the rear line being connected to the rear portion of the wing tip through the first pulley means. A pair of auxiliary re-launch lines are provided at each respective side of the wing, each being fixedly connected at one end thereof to the respective rear line, and at the other end to the trailing edge of the wing.
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