The present invention relates to a rig (2) for a nautical means comprising: a reference plane intended to coincide with a symmetry plane extending in longitudinal and vertical direction of the hull of the nautical means; at least one wing; at least one rigid support capable of supporting said wing and transmitting a propulsive thrust to the hull of the nautical means given by the aerodynamic lift generated by the wing when it takes wind; the wing comprising a first and a second main face opposite to each other, the rigid support being capable of supporting the wing at least in a first operating configuration in which at least a main portion of the first or second face is facing a first side of the reference plane and in a second operating configuration in which said main portion is facing the opposite side of the reference plane; the rigid support comprising a wing sliding path for switching from the first to the second operating position and vice versa.

One embodiment of a deployable reversible camber sail system, based on a deployable shell (58) contained within a mast-sail assembly (11, 12) and supported and controlled by additional assemblies (13-15), is disclosed. The embodiment may be easily and quickly configured into the furled, feathered, port tack and starboard tack sail forms. In addition, this embodiment represents a highly efficient sail module which may be controlled by a single human operator or automated computer-based control system. Additional embodiments, utilizing assemblages of the first embodiment sail system module, are described.

An improved rig is provided for sailing craft, in which two sails are provided in the general shape of tapered tubes encircling each of two adjacent masts arrayed in an A-frame configuration. In the course of a tack, the sails may be swung pendulum-like either towards or away from the bow (one in each direction). The two sails therefore effectively alternate between serving the role of a jib (with sail-area mainly forward of a mast), and the role of a mainsail (with sail-area mainly aft of a mast). The same set of sails on the same masts may also advantageously be deployed for use in high winds, running downwind, heaving-to, and running before a storm.

This disclosure describes a vehicle configured and arranged to generate lift and drag using a plurality of lifting or control surfaces including a water-piercing hydrofoil disposed below said vehicle, and a method for real-time control of said lifting or control surfaces by controlling at least the hydrofoil with an actuator that is actuated responsive to measured input signals including forces on said hydrofoil.

A wind paddle sail assembly includes a sail having stiffened upper and lower ends and a paddle or pole having an upper fixed end and a lower portion with a lower free end. A fastener fastens the upper fixed end of the paddle or pole to the upper end of the sail. A downhaul strap fastens the lower end of the sail to the lower portion of the paddle or pole for adjusting tension in the sail. A method for operating a wind paddle sail assembly is also provided.

An oblong stiffening member such as a sail batten having a tapered geometry formed by a pair of parallely spaced apart oblique circular cones interconnected by a webbing strip. The member can be made from a unitary piece of fiber composite material such as a carbon fiber infused polymer wherein the orientations of the fibers are varied to provide both bending and torsional strength and stiffness that varies along the length of the member. Such properties can be useful in sail battens due to the rigorous dynamical forces subjected to such structures.

A substantially hollow wingsail is configured to enable electrical components to be situated within the wingsail. In particular, the wingsail may be configured to contain the solar panels used to power the other electrical components of the vessel, as well as other items that are conventionally situated on the exterior of the vessel, such as antennas, navigation lights, and so on. The interior of the wingsail may also include a deployment device for deploying components stored in the wingsail into the sea or the atmosphere. The surface of the wingsail may include transparent or translucent areas to provide light to the solar panels, as well as optical and electromagnetic reflective areas within the wingsail to enhance the performance of the solar panels and antennas. The wingsail may also include an internal light that illuminates the translucent areas of the wingsail for enhanced visibility to other vessels.

The present invention concerns sensor apparatus (1) for an article comprising a unique apparatus identifier and an in-use sensor, the in-use sensor determining whether the apparatus is in an in-use or a dormant condition. The in-use sensor comprises a light sensor for measuring light falling on the apparatus and one or more accelerometers for measuring orientation and vibration of the apparatus, wherein an in-use condition is determined from reviewing whether measurements from the light sensor and one or more accelerometers exceed threshold values.

The present invention concerns sensor apparatus (1) for an article comprising a unique apparatus identifier and an in-use sensor, the in-use sensor determining whether the apparatus is in an in-use or a dormant condition. The in-use sensor comprises a light sensor for measuring light falling on the apparatus and one or more accelerometers for measuring orientation and vibration of the apparatus, wherein an in-use condition is determined from reviewing whether measurements from the light sensor and one or more accelerometers exceed threshold values.

A process of printing an image or images on the sails of a watercraft or other wind powered vessel without altering or compromising the efficacy of the sails is described. The process employs a method of printing large-scale, single or multiple panel, continuous, high-resolution photographic and graphic images on sails. The dynamics and curvatures of a sail are integrated into manufacturing process when employed for sails, though the process may be applied to any large-scaled fabric print. The process of the present invention produces printed sails providing for the highest resolution photographic, art, and graphic printing with virtually no weight gain, nor effect on the sail's original performance. Modern equipment is employed to achieve printing of realistic, high quality images directly on to the fabric of sails without compromising flexibility or durability, as well as without infringing on the speed and agility of the sailing craft.