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A mooring mast, or mooring tower, is a structure designed to allow for the docking of an airship outside of an airship hangar or similar structure. More specifically, a mooring mast is a mast or tower that contains a fitting on its top that allows for the bow of the airship to attach its mooring line to the structure. [1]
Standing rigging comprises the fixed lines, wires, or rods, which support each mast or bowsprit on a sailing vessel and reinforce those spars against wind loads transferred from the sails. This term is used in contrast to running rigging , which represents the moveable elements of rigging which adjust the position and shape of the sails.
is a stay that runs between masts. On a ketch it runs between the main mast and the head of the mizzen mast and is used to stop the upper section of the mizzen mast being pulled backwards. On a steamer, an iron bar between the two knees secures the paddle-beams. (See funnel stays).
A bobstay is a part of the rigging of a sailing boat or ship. Its purpose is to counteract the upward tension on the bowsprit from the jibs and forestay . A bobstay may run directly from the stem to the bowsprit, [ 1 ] or it may run to a dolphin striker , a spar projecting downward, which is then held to the bowsprit or jibboom by a martingale ...
Sail shape is usually controlled by lines that pull at the corners of the sail, including the outhaul at the clew and the downhaul at the tack on fore-and-aft rigs. The orientation of sails to the wind is controlled primarily by sheets , [ 8 ] but also by braces , which position the yard arms with respect to the wind on square-rigged vessels.
A permanent backstay is attached to the top of the mast. Running backstays appear in pairs attached about two-thirds of the way up the mast (sometimes at multiple locations along the length of the mast). In general, most modern sailboats have a permanent backstay and some have a permanent backstay combined with running backstays.
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Both clewlines and buntlines are commonly led to the deck against the inside of the ratlines. With six or so buntlines and two clewlines per sail, a ship with five sails per mast will have a lot of lines (note, though, that clewlines and buntlines go to both sides of the deck, so at each set of shrouds there will only be four lines per sail).