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  2. Asymmetrical spinnaker - Wikipedia

    en.wikipedia.org/wiki/Asymmetrical_spinnaker

    The asymmetrical spinnaker has a larger camber than a genoa and a Spinnaker Mid-Gerth (SMG) -- also called Spinnaker Half Width (SHW) -- measurement greater than the length of its foot (a genoa is a pin-head sail so its mid-gerth dimension is shorter than its foot).

  3. Running rigging - Wikipedia

    en.wikipedia.org/wiki/Running_rigging

    Barber haulers, which adjust the spinnaker/jib sheeting angle by pulling the sheet/sail inboard or outboard at right angles to the sheet. Consists of either a ring or clip on the sheet attached to cordage which is secured and adjusted via fairlead and cam cleat.

  4. Spinnaker - Wikipedia

    en.wikipedia.org/wiki/Spinnaker

    The head of the spinnaker is attached to the top of the sock and the ring runs down to the tack. The resulting bundle is stuffed into the spinnaker bag. The top of the sock will have provisions for attaching to the spinnaker halyard. [16] The spinnaker is raised as normal, but with the sock in place, the spinnaker is unable to catch the wind.

  5. Guy (sailing) - Wikipedia

    en.wikipedia.org/wiki/Guy_(sailing)

    Guy (red arrow), controlling the spinnaker pole. A guy (probably from Dutch gei, "brail") is a line attached to and intended to control the end of a spar on a sailboat. [1] On a modern sloop-rigged sailboat with a symmetric spinnaker, the spinnaker pole is the spar most commonly controlled by one or more guys.

  6. Spinnaker pole - Wikipedia

    en.wikipedia.org/wiki/Spinnaker_pole

    The spinnaker pole is rigged to run from the base of the mast, [1] where there is a special fitting for attaching one end of the pole, out to windward over the side of the boat. There, one of the control lines of whichever sail it is to be used with is run through a fitting on the other end of the spinnaker pole. This allows for more precise ...

  7. Forces on sails - Wikipedia

    en.wikipedia.org/wiki/Forces_on_sails

    Angle of attack: Coefficient of lift (C L) and coefficient of drag (C D) and their ratio as a function of angle of attack (α) for a hypothetical sail. Polar diagram : Coefficients of lift ( C L ) and drag ( C D ) for the angles of attack shown for the same sail.

  8. Sail components - Wikipedia

    en.wikipedia.org/wiki/Sail_components

    Sail components include the features that define a sail's shape and function, plus its constituent parts from which it is manufactured. A sail may be classified in a variety of ways, including by its orientation to the vessel (e.g. fore-and-aft) and its shape, (e.g. (a)symmetrical, triangular, quadrilateral, etc.).

  9. Parasailor - Wikipedia

    en.wikipedia.org/wiki/Parasailor

    The Parasailor and Parasail are patented and trademarked variants of a spinnaker sail for yachts. They were designed for cruising couples and short-handed crews and are considered to be easy to handle and well tempered. [1] These sails make it possible to use one sail as spinnaker and Gennaker. These sails can be used between 70 and 180 degrees ...