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Course made good (C.M.G. or Course Over Ground) - the actual route taken to achieve the journey's objecting measured over the ground. It is the resultant of the course steered and the effect on that course of any wind and tide. Sail trim - pulling the sail in when sailing upwind and letting it out when sailing downwind.
Filled with wind, the sail has a roughly spherical polygon shape and if the shape is stable, then the location of centre of effort is stable. On sailing craft with multiple sails, the position of centre of effort varies with the sail plan. Sail trim or airfoil profile, boat trim and point of sail also affect CE.
The United States Coast Guard Training Center (TRACEN) in Yorktown, Virginia, is one of eight major Coast Guard training facilities in the United States.The others are Training Center Petaluma, Training Center Cape May, Aviation Training Center, located in Mobile, Alabama, Leadership Development Center, located in New London, Connecticut, Maritime Law Enforcement Academy, located in Charleston ...
A sailing craft is said to be sailing close-hauled when its sails are trimmed in tightly and are acting substantially like a wing, relying on lift to propel the craft forward on a course as close to the wind as the sail can provide lift. This point of sail lets the sailing craft travel upwind, diagonally to the wind direction. [4]
The forces transmitted via the sails are resisted by forces from the hull, keel, and rudder of a sailing craft, by forces from skate runners of an iceboat, or by forces from wheels of a land sailing craft which are steering the course. This combination of forces means that it is possible to sail an upwind course as well as downwind.
The course sail is the lowermost sail. In sailing, a course is a type of square sail. It is the sail set on the lowest yard on a mast. The courses are given a name derived from the mast on which they are set, so the course on the foremast may be called the fore-course or the foresail; similarly main-course or mainsail for that carried on the ...
A backstay is a piece of standing rigging on a sailing vessel that runs from the mast to either its transom or rear quarter, counteracting the forestay and jib. It is an important sail trim control and has a direct effect on the shape of the mainsail and the headsail .
Sometimes the Olympic triangle is used as a course for dinghy races where space permits, particularly for events where there ought to be little local advantage such as State and National titles and for classes which are mainly displacement sailing such as the Heron (dinghy). The olympic triangle is the most popular choice for dinghy racing, but ...