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Draft markings on the stern of the Cutty Sark, an example of the Imperial system of such markings. The draft or draught of a ship is a determined depth of the vessel below the waterline, measured vertically to its hull's lowest—its propellers, or keel, or other reference point. [1] Draft varies according to the loaded condition of the ship.
Beneteau 331. The Beneteau 331 is a recreational keelboat, built predominantly of solid fiberglass with the deck balsa-cored.It has a masthead sloop rig, aluminum spars, a deck-stepped mast, a raked stem, a walk-through reverse transom, an internally mounted spade-type rudder controlled by a wheel and a fixed fin keel, shoal draft keel or lifting keel.
The Sun Odyssey 42 DS is a recreational keelboat, built predominantly of fiberglass, with wood trim.It has a fractional sloop rig with a deck-stepped mast, a nearly plumb stem, a reverse transom with steps to a swimming platform, an internally mounted spade-type rudder controlled by dual wheels and a fixed fin keel or optional shoal-draft keel.
It features a plumb stem, a slightly reverse transom with a gas strut assisted, drop-down tailgate-style swimming platform, dual internally mounted spade-type rudders controlled by two wheels and a fixed fin keel, shoal draft wing keel or lifting keel. It can also be equipped with an asymmetrical spinnaker of 1,023 sq ft (95.0 m 2). [1] [3] [4 ...
The Tanzer 7.5 is a small recreational keelboat, built predominantly of fibreglass, with wood trim.It has a masthead sloop rig, a transom-hung rudder and a 4' fixed fin keel, with an optional 2.8' shoal draft keel.
The squat effect is the hydrodynamic phenomenon by which a vessel moving through shallow water creates an area of reduced pressure that causes the ship to increase its draft (alternatively decrease the underkeel clearance of the vessel in marine terms) and thereby be closer to the seabed than would otherwise be expected.
Model with a shoal draft keel, giving a draft of 4.00 ft (1.22 m). The displacement is 9,300 lb (4,218 kg). The boat has a PHRF racing average handicap of 174 with a high of 174 and low of 183. [6] Newport 33 PH Model with a pilot house cabin and draft of 5.17 ft (1.58 m).
The fin keel model displaces 68,343 lb (31,000 kg) empty and carries 20,613 lb (9,350 kg) of cast iron ballast, while the shoal-draft version displaces 70,989 lb (32,200 kg) empty and carries 23,259 lb (10,550 kg) of cast iron ballast.