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In a schooner with two masts, even if the masts are of the same height, the after one usually carries a larger sail (because a longer boom can be used), so the after mast is the mainmast. This contrasts with a ketch or a yawl , where the after mast, and its principal sail, is clearly the smaller of the two, so the terminology is (from forward ...
It is a measurement of capacity for cargo in bales or pallets, etc, where the cargo does not conform to the shape of the ship. Grain Cube (or Grain Capacity ) – The maximum space available for cargo measured in cubic metres or feet, the measurement being taken to the inside of the shell plating of the ship or to the outside of the frames and ...
Measurements show that wind speed, (V (h) ) varies, according to a power law with height (h) above a non-zero measurement height datum (h 0 —e.g. at the height of the foot of a sail), using a reference wind speed measured at the datum height (V (h 0) ), as follows: [24] [25] = ()
Defined by sail plan. All masts have fore-and-aft sails. Schooner: fore-and-aft rigged sails, with two or more masts, the aftermost mast taller or equal to the height of the forward mast(s) All masts have square sails. Brig: two masts, square rigged (may have a spanker on the aftermost) Full-rigged ship: three or more masts, all of them square ...
The lowest and normally largest sail on a mast is the course sail of that mast, and is referred to simply by the mast name: Foresail, mainsail, mizzen sail, jigger sail or more commonly forecourse etc. Even a full-rigged ship did not usually have a lateral (square) course on the mizzen mast below the mizzen topmast.
Used from 1933 onwards: [2] + + where = waterline length (LWL) = difference between skin girth and chain girth = sail area = freeboard; Associated with the formula is an extremely comprehensive set of rules, which can be classified into two main areas: safety, and ensuring competitive racing.
The metacentric height (GM) is a measurement of the initial static stability of a floating body. [1] ... Sailing yachts, ... (mast parallel to the water surface). As ...
Mast length: 6.9 m (23 ft) Sails; Mainsail area: 12.3 m 2 ... Some of the most famous names in sailing have competed at these championships and a lucky few have made ...