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Even in sailboats running under engine, the self steering gear can be used to keep the boat heading into the wind to easily set or change sails (exception: sheet-to-tiller principle). As wind direction sensors are used a) a wind vane mounted on an axis being tilted more or less towards the horizon (wind vane self-steering)
The first was when part of the frame holding the wind vane self-steering failed, when still 2,300 miles (3,700 km) from Sydney. Not wanting to put in at Fremantle, Western Australia , Chichester spent three days balancing sails and experimenting with shock-cord lines on the tiller, once again getting the boat to hold a course to enable her to ...
This is because the mainsail is not quite so big to handle and the mizzen (before the days of modern self steering gear) could allow the sails to be trimmed to keep a boat on the same course. Also, handing (taking down) the mizzen is a quick and easy way of reducing sail, often thought of as the equivalent of the first reef in a cutter or sloop .
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.).
Some boats both dredged and acted as buy boats, in which case a bushel basket would be mounted on the fore mast to indicate the latter. With its low freeboard, the bugeye was not generally considered to be an ocean-going vessel; some boats were however sailed to the West Indies in the off season for the tropical trade.
Hydraulic piston vangs are used on larger sailboats and controlled by manual or electric hydraulic pumps. [2] By controlling leech tension, the boom vang is one way of controlling sail twist. [3] The boom vang may also be used to flatten the mainsail on dinghies. [4] On small sailboats and some cruising sailboats a vang may be omitted.
When a small sailboat flips on its side, the keel can also be used to right the boat. Standing on the keel gives the sailor additional leverage to roll the hull upright. The centerboard, daggerboard, or bilgeboard can be used as a platform upon which to stand, providing increased leverage, in the event the dinghy overturns via a capsize or turtle.
The Keying was a Chinese ship that employed a junk sailing rig. Scale model of a Tagalog outrigger ship with junk sails from Manila, 19th century. The junk rig, also known as the Chinese lugsail, Chinese balanced lug sail, or sampan rig, is a type of sail rig in which rigid members, called battens, span the full width of the sail and extend the sail forward of the mast.