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The earliest B&R rig was the result of wind tunnel tests and research by Lars Bergstrom and Sven Ridder at Sweden's Royal Institute of Technology. [6] The first generation, built around 1970, included a backstay and was used on many production boats. A patent application for the B&R rig was submitted in 1973 and was granted in 1975. [1]
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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.
Rarely used now they are commonly shown on old pictures and drawings. Typically separate port and starboard vangs were fitted. The primary purpose of the gaff vang is to reduce the twist in the sail caused by the gaff "sagging away to leeward". [1] This sag is the main cause of the gaff rig's poor performance to windward relative to the Bermuda ...
On modern yachts, standing rigging is often stainless steel wire, Nitronic-50 stainless steel rod or synthetic fiber.Semi-rigid stainless steel wire is by far the most common as it combines extreme strength, relative ease of assembling and rigging with reliability.
The B&R 23 is designed with a single guiding principle: it should be very fast. No considerations were given to any performance limiting handicap or yardstick rules, or other secondary parameters, such as comfort or ease-of-handling. Thus, the philosophy behind B&R 23's design can be said having been
There may not be an individual belaying pin for each line; since the buntlines are invariably worked together several of them may be secured to the same pin. Some sails, in addition to clewlines and buntlines, have leechlines to pull the edges into the centre when they are stowed (see picture).
Properly securing a line to a belaying pin starts by leading the line under and behind the base of the pin to begin the figure-8 pattern Lines coiled and secured by belaying pins. A belaying pin is a solid metal or wooden device used on traditionally rigged sailing vessels to secure lines of running rigging.