A rounded wooden block with hole used to set up ship's stays

Related Terms

HORIZON SYSTEM OF COORDINATES

A set of celestial coordinates based on the celestial horizon as the primary great circle; usually altitude and azimuth or azimuth angle.

AUXILIARY CONTACTS

A set of contacts that perform a secondary function, usually in relation to the operation of a set of primary contacts.

HOLE

1. A small depression of the sea floor. 2. An opening through a piece of sea ice, or an open space between ice cakes. 3. A small bay, particularly in New England

FORESAIL

The lowest sail set on the foremast of square-rigged ship

TIMKEN OK LOAD

The heaviest load that a test lubricant will sustain without scoring the test block in the Timken Test procedures, ASTM Methods D 2509 (greases) and D 2782 (oils).

DISPLACEMENT PUMP

Pumps in which energy is added to the water periodically and the water is contained in a set volume.

DEMAND CONTROL

A device which controls the kW demand level by shedding loads when the kW demand exceeds a predetermined set point.

DRIFT

Term used to describe the difference between the set point and the actual operating or control point.

SHEAVE

Pulley in the block

BLOCKSHIP

A vessel sunk deliberately to block a waterway to prevent the waterwayʹs use by an enemy.

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