The height above the keel of the centre of buoyancy.
Related Terms |
ABEAM
On the beam, a relative bearing at right angles to the ship's keel.
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ICE KEEL
A downward projecting ridge on the underside of the ICE CANOPY, the counterpart of a RIDGE. An ice keel may extend as much as 50 meters below sea level.
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LAYING DOWN
Laying the keel of a ship in a shipyard to begin her construction.
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KEELHAUL
A punishment by dragging under keel of ship.
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DEADRISE
The design angle of the hull at the keel relative to horizontal when viewing the cross section, or the distance of rise from the keel to a defined point on the hull.
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KEELHAULING
A maritime punishment: to punish by dragging under the keel of a ship.
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HOGGING
When the peak of a wave is amidships, causing the hull to bend so the ends of the keel are lower than the middle. The opposite of sagging. Also refers to a permanent distortion of the hull in the same manner caused, over time, by the bow and stern of a ship being less buoyant than the midships section. During the Age of Sail, shipwrights employed a number of different designs of braces to stiffen ships' hulls against this warping.
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GARBOARD
The strake closest to the keel.
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DRAUGHT
The depth of a ship's keel below the waterline.
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KEEL
The central structural basis of the hull.
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