The uppermost brail on the mainsail. Upper and lower peaks are normal, but a barge may carry a third set too.
Related Terms |
BARGE CARRIERS
Ships designed to carry barges.
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BARGE CARRIERS
Ships designed to carry barges.
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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.
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EP (EXTREME PRESSURE) LUBRICANTS
Lubricants that impart to rubbing surfaces the ability to carry appreciably greater loads than would be possible with ordinary lubricants without excessive wear or damage.
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AUXILIARY CONTACTS
A set of contacts that perform a secondary function, usually in relation to the operation of a set of primary contacts.
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FORESAIL
The lowest sail set on the foremast of square-rigged ship
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DISPLACEMENT PUMP
Pumps in which energy is added to the water periodically and the water is contained in a set volume.
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DEMAND CONTROL
A device which controls the kW demand level by shedding loads when the kW demand exceeds a predetermined set point.
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DRIFT
Term used to describe the difference between the set point and the actual operating or control point.
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TAPERED-LAND THRUST BEARING
The babbitt face of a tapered-land thrust bearing has a series of fixed pads divided by radial slots. The leading edge of each sector is tapered, allowing an oil wedge to build up and carry the thrust between the collar and pad.
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