Pieces of timber at bow and stern fixed perpendicularly between the ship's bottom and the bilge in order to support during launching.
Related Terms |
BEARING
A support or guide by means of which a moving part such as a shaft or axle is positioned with respect to the other parts of a mechanism.
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CHOCK, BOAT
A cradle or support for a lifeboat.
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SHELL PLATING
The plates forming the outer side and bottom skin of the hull
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FILTER CORE
The internal duct and filter media support.
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FARDAGE
A wood placed in bottom of ship to keep cargo dry
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HOLDING GROUND
The bottom ground of an anchorage. The expression is usually used with a modifying adjective to indicate the quality of the holding power of the material constituting the bottom
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LOAD-CARRYING CAPACITY
Property of a lubricant to form a film on the lubricated surface, which resists rupture under given load conditions. Expressed as maximum load the lubricated system can support without failure or excessive wear.
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PREVENTIVE MAINTENANCE
Maintenance performed according to a fixed schedule involving the routine repair and replacement of machine parts and components.
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HYPERBOLA
An open curve with two parts, all points of which have a constant difference in distance from two fixed points called FOCI.
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IALA MARITIME BUOYAGE SYSTEM
A buoyage which is now implemented by most maritime nations. Within the single system there are two buoyage regions, designated as Region A and Region B, where lateral marks differ only in the colors of port and starboard hand marks. In Region A, red is to port on entering; in Region B, red is to starboard on entering. The system is a combined cardinal and lateral system, and applies to all fixed and floating marks, other than lighthouses, sector lights, leading lights and marks, lightships and large navigational buoys.
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