| 摘要 |
PCT No. PCT/FR85/00189 Sec. 371 Date Mar. 3, 1986 Sec. 102(e) Date Mar. 3, 1986 PCT Filed Jul. 4, 1985 PCT Pub. No. WO86/00591 PCT Pub. Date Jan. 30, 1986.Device for producing the concavity of a thick profiled sail and making it reversible and remotely controllable to pass through all aerodynamic profiles comprising a rotatable mast (1), at least six assemblies sliding on the mast, each comprising a leading edge profile (3) provided with an inflatable part (4), and a mechanism (2) having two flexible battens (5) arranged symmetrically on either side. The trailing edge or rear end of the battens is controlled by a system of crow feet and sheet arms (6). The device is intended particularly for the propulsion of boats.
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