摘要:
Sail membrane made of a woven fabric of synthetic fibers, with said fabric having a microroughness in the form of groove families crossing one another arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said fabric structure.
摘要:
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.
摘要:
A portable sail for use with a paddle and paddle board, where one edge of the sail has a fastening portion that is reversibly affixed along the length of the paddle, while the opposite end of the sail is held by the user via a cord or handle. With paddle held upright on the surface of the paddle board with one hand, and controlling the end of the sail with the other hand, a user can capture the wind and propel the paddle board through the water. The rate of propulsion can be adjusted by partially wrapping the sail around the paddle to reduce the sail area exposed to the wind. Furthermore, the sail can be entirely wrapped around the paddle so the paddle can be used to manually propel the paddle board in the traditional manner.
摘要:
A wing for the propulsion of a craft includes an external envelope and at least one profile structure surrounded by the external envelope. The profile structure has an articulated internal structure and an assembly of controllers to control a deformation of the external envelope. Each controller is rotatably mounted with respect to the internal structure. Each controller is also rotatably mounted with respect to the external envelope through at least one rotating link, and includes at least one curved surface configured to orient a curvature of the external envelope locally between a controller and an adjacent control controller.
摘要:
A sail for sailboats is described. The sail having portions wherein shape memory elements in the form of filiform members made of a shape memory alloy are incorporated, the surface area resulting from the sum of the surface areas of the portions incorporating shape memory alloy elements being between 0.01% and 50% of the surface area of the whole sail. A control apparatus is also disclosed for controlling the operation of the sail. A method is further disclosed for controlling operation of a sailboat sail.
摘要:
A method of reducing crimp in woven sailcloth comprising applying heat to warp yarn or fill yarn prior to the yarns being woven into fabric and a method of making a sail comprising assembling panels of sailcloth comprising warp yarns and fill yarns, wherein at least one panel of sailcloth is prepared by applying heat to the warp yarn or the fill yarn prior to the yarns being weaved into fabric.
摘要:
A sail includes at least two layers of durable sailcloth material, a scrim of load bearing yarns arranged in predetermined load path orientations, and at least one heat-activated adhesive layer securing the layers of material to the scrim, such that the scrim is positioned between the layers of material. An opaque layer may be included between the two outer layers of material to prevent the passage of light through the sail. Alternatively, the adhesive layer or layers may be dyed or otherwise colored to effectuate an opaque layer. The sail is preferably manufactured using a high temperature, vacuum lamination process to mitigate the quantity of voids between the layers of material and to transfer visible content from one or more image transfer mediums to the outside surface(s) of the layer(s) of material using dye sublimation to provide durable imaging. After lamination, the image transfer medium or media may be discarded.
摘要:
In a battened sailboard sail a sail attachment device is attached to the leading edge of the sail and the sail attachment device is connected to a camber-inducer by a line that is acted on by a batten to evenly distribute the batten tension load between the sail and camber-inducer. The batten is able to move chordwise relative the camber inducer when the sail is rotating about the mast.
摘要:
A method and a plant (1) for the production of a membrane body (10) that is flexible and able to assume a given shape under load; the membrane body being provided with at least one pair of flexible sheets (9) mutually coupled through an adhesive layer (14) positioned between mutually facing respective faces (16) of the sheets (9); the method comprising a step of die casting a portion (11) of given extension of the membrane body (10) to determine adhesion between the faces (16) and to form at least one sheath (22) with an external tubular portion of a respective cable (20); the step of die casting the portion (11) being achievable by thermal activation of the adhesive layer (14) in a static manner.
摘要:
A sailcloth in roll good form permits efficient and cost effective construction of cross cut and vertical cut, laminate sails based on “off-angle,” (assymetrical) load bearing fibers. The sailcloth also may include a conventional warp and fill thread or fiber layout. Such sailcloth illustratively is significantly less susceptible to load force stretch, creep elongation, and airfoil shape deformation because, among other things, it is not dependent on the load bearing limitations of symmetrical, woven or knitted roll good sailcloth.