Traction device for use during practicing of kitesurfing type sports, has traction wing including tensioning unit for conserving buoyancy of side portions of wing independent of geometry of central portion
摘要
<p>The device (1) has a control unit (3) including a control bar (4) associated with control cords (5) connected to a trailing edge (6) of a traction wing (2). The control unit has a harness (8) connected by connection cords (9) to a leading edge (10) of the wing. The control unit comprises a varying unit (11) for varying buoyancy of a central portion (12) of the wing. The wing comprises a tensioning unit for conserving buoyancy of side portions (14) of the wing independent of geometry of the central portion.</p>
