| 摘要 |
<p>Rigging (9) for a wind propelled craft (8), the rigging (9) comprising a flexible sail (10) comprising two substantially identical flexible sail portions (80, 82) each having a leech (18) and a luff (20), the flexible sail portions (80, 82) being arranged to give the flexible sail (10) an effective thickness substantially greater than that of either of the flexible sail portions (80, 82) individually and a pocket means (14) arranged to receive an elongated batten (92) having flexure in at least two dimensions, the elongated batten (92) comprising two substantially elongated batten portions each having a first free end and a second end, the second ends being arranged to be connected together adjacent the leech (18) of the flexible sail portions (80, 82), the elongated batten portions being splayed apart and extending toward the luff (20) of the flexible sail portions (80, 82), a spar (12) connected to the luff (20) of the flexible sail portions (80, 82) and having a control means (38) to vary the thickness of the flexible sail (10) such that the craft (8) may be propelled by wind incident at various angles of attack to the spar (12).</p> |
