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Handymax Bulk Carrier "Orientor 2" Handymax and Supramax are naval architecture terms for the larger bulk carriers in the Handysize class. Handysize class consists of Supramax (50,000 to 60,000 DWT), Handymax (40,000 to 50,000 DWT), and Handy (<40,000 DWT). The ships are used for less voluminous cargoes, and different cargoes can be carried in ...
Equipped with a spinnaker, trapeze and a large sail-area-to-weight ratio, it is designed to plane easily, and good teamwork is necessary to sail it well. The name comes from the boat's length of 470 centimetres (4.7 m; 15 ft 5 in). The 470 is a World Sailing International Class and has been an Olympic class since the 1976 games. [1]
Deadweight tonnage is a measure of a vessel's weight carrying capacity, not including the empty weight of the ship. It is distinct from the displacement (weight of water displaced), which includes the ship's own weight, or the volumetric measures of gross tonnage or net tonnage (and the legacy measures gross register tonnage and net register tonnage).
G-100 1967-76 (1970 price $79.00) Two-piece spruce top, maple back and sides, rosewood fingerboard and bridge with nineteen nickel silver frets, length 39 + 1 ⁄ 4 inches, width 14 + 1 ⁄ 2 inches G100A 1970-72 $99.50
The Radial uses the same hull and fittings as the Laser Standard, but has a smaller sail (5.8 m 2) than the Standard with a different cut, and has a shorter lower mast section. Optimal weight for this rig is 121 to 159 pounds (55 to 72 kg). The Laser Radial rig has a UK Portsmouth Yardstick number of 1150. [9] Its DPN is 96.7. [10]
In 2005 a smaller 4.2 m 2 sail was approved, [9] which can optionally be used in favour of the standard 5.3 m 2 sail. [10] The smaller sail is more efficient than a larger sail that is reefed. The first 4.2m² national championships were held in 2010. [7] In 2020, after two years of development, a new 6.4m² rig for the Topper was introduced. [11]
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The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into weight. Traditionally, various measurement rules have been in use, giving various measures in long tons. [1]