Wave energy device with flaps hinged on inclined axes

A flap type wave energy converter has one or more buoyant paddles 121 that are hinged about an inclined (diagonal) axis. They may be hinged to the arms 107 of a V or Y shaped frame 101. The frame may be filled with air. The adjacent edges of two flaps may be provided with a part conical tube (411, figure 3) so that they maintain an approximately constant clearance. The tubes may be filled with air to provide buoyancy for the flaps. The device may be tethered (303, figure 2) and adjusted by winches to control depth and / or direction.

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