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Gaff rig [1] is a sailing rig (configuration of sails, mast and stays) in which the sail is four-cornered, fore-and-aft rigged, controlled at its peak and, usually, its entire head by a spar (pole) called the gaff. Because of the size and shape of the sail, a gaff rig will have running backstays rather than permanent backstays.
An example of 2 + 1 ⁄ 2-D processing, can be 2 + 1 ⁄ 2-D microextrusion, where, thanks to an optimal control of the process, the obtained extrudate, which is generally, but not always a tube, can have: Tapered profile, which means that diameters or characteristic dimensions, varies independently from each other.
Bitts are paired vertical wooden or metal posts mounted either aboard a ship or on a wharf, pier, or quay. The posts are used to secure mooring lines, ropes, hawsers, or cables. [1] Bitts aboard wooden sailing ships (sometime called cable-bitts) were large vertical timbers mortised into the keel and used as the anchor cable attachment point. [2]
Key: 1. Forestay 2. Shroud 3. (Spreaders) 4. Backstay 5. Inner forestay 6. Sidestay 7. (Boom) 8. Running backstays Standing rigging on a square-rigged vessel (illustrated left), which supports a mast comprising three steps: main, top, and topgallant (illustrated right). The shrouds support each section laterally and the stays support each, fore ...
The total height of the structure is generally between 1.5 a and 2.5 a. [7] The arches are semicircular, and their thickness T depends both on the span a of the arches and on the height H of the structure: [7] If H = 2.5 a, T = 0.1 a + 0.04H If H < 2.5 a, T = 0.125 a + 0.04H
The gaff rig has been largely superseded by the Bermuda rig, which has no topsails. On a gaff-rigged sailing boat, topsails may take a few different forms: A jib-headed topsail is generally a triangular sail set between the gaff and the top of the mast or topmast. A gaff-rigged vessel might have a gaff topsail above any or all of its gaff sails ...
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