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6779473 |
Winged sailing craft
A sailing craft that can transform from wind propulsion mode to flying mode, comprises a body and two sails or wings each pivotally connected to a common boom which is supported by a spar pivotally...
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6513759 |
Sports kites
A control device for a surfer's sports kite has a hand-holdable elongate control bar for steering the kite. A central control line is used for changing the effective curvature of the kite and...
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6435118 |
Pawley sailboat and rigging design
A sailboat with a planning hull and a mast stepped aft of amidship. The mail sail and foresails are loose footed and attached to a midstay and forestay respectively. The mast is angled towards the...
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5423274 |
Sailboat
A sailing craft having a hull with a longitudinal midplane. A primary boom is pivotally mounted on the hull for 360° continuous rotation in either direction about a central vertical axis. The...
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5419269 |
Sailing boat
The present invention provides a sail boat having a single main sail having a corner between a taut luff edge and a foot edge. A snatch lock is provided at the corner for securing the corner to the...
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5231943 |
Sail plan for sailing craft
A plan for a sail of a sailing craft such as a sailboat, an iceboat and a land yacht having a hull. At least one mast is mounted on an end of the hull and the mast angles upwardly over the hull. A...
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5119748 |
Sailing system employing radial force sail
A radial force sail (22) for propelling land or water craft includes a continuously curved anhedral section (24) having its tip portions interconnected with substantially rigid, dihedrally disposed...
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5003903 |
Fluid foil system
An improved fluid foil system which is particularly adapted yet not limited to use in sail craft. When used in e.g. a sailboat, the foil is rotationally supported with respect to a mast and...
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4858854 |
Inflatable aerodynamic wing structure
An inflatable aerodynamic wing structure comprising an aerodynamic skin, a first inflatable member positioned inside the skin such that it extends longitudinally of the wing structure adjacent a...
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4653416 |
Sailboard
Sailboard comprising a sail assembly and a floatboard (2) supporting the sail assembly. The sail assembly comprises two wings (4, 5) in relatively displaced relation to each other, the two wings...
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4604959 |
Wind-propelled craft
A wind-propelled craft is disclosed which comprises a hull supporting a pair of unstayed masts arranged to pivot about an axis lying in approximately horizontal plane between a first position, in...
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4558655 |
Sail unit for the purpose of sport and composite device related to said unit
Sailboard comprising a sail assembly and a floatboard (2) supporting the sail assembly. The sail assembly comprises two wings (4, 5) in relatively displaced relation to each other, the two wings...
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4541355 |
Sail rigging
The sailing device has a hull, a framed sail, a boom which is connected at its upper end to the sail by a universal connection located at the center of gravity of the sail, a vertical mast, an...
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4501216 |
Sail and rigging for a sailing-apparatus
The sail is formed by a structure of stiffening elements comprising ribs r over which a sail-cloth zd is tightened to constitute a substantially stiff wing-like sail. The ribs r and girders l give...
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4458859 |
Combined boardsailer and hang glider
A boardsailing device includes a sport converter which permits the boardsailing device to be converted into a hang glider. Essentially all of the power required for hang gliding is supplied by...
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3332384 |
Sailboat
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