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Bollard vs Capstan - What's the difference?

bollard | capstan |

In nautical terms the difference between bollard and capstan

is that bollard is a strong vertical post of timber or iron, fixed to the ground and/or on the deck of a ship, to which the ship's mooring lines etc are secured while capstan is a vertical cleated drum or cylinder, revolving on an upright spindle, and surmounted by a drumhead with sockets for bars or levers. It is much used, especially on shipboard, for moving or raising heavy weights or exerting great power by traction upon a rope or cable, passing around the drum. It is operated either by steam power or by a number of men walking around the capstan, each pushing on the end of a lever fixed in its socket.

bollard

English

(wikipedia bollard)

Noun

(en noun)
  • (nautical) A strong vertical post of timber or iron, fixed to the ground and/or on the deck of a ship, to which the ship's mooring lines etc are secured.
  • *
  • A similar post preventing vehicle access to a pedestrian area, to delineate traffic lanes, or used for security purposes.

    • See also

    * (traffic bollard) cone

    capstan

    English

    (Webster 1913)

    Noun

    (en noun)
  • (nautical) A vertical cleated drum or cylinder, revolving on an upright spindle, and surmounted by a drumhead with sockets for bars or levers. It is much used, especially on shipboard, for moving or raising heavy weights or exerting great power by traction upon a rope or cable, passing around the drum. It is operated either by steam power or by a number of men walking around the capstan, each pushing on the end of a lever fixed in its socket.
  • *
    • , title=Vagabonding Under Sail , publisher=Hastings House (New York) , page=211 , passage=We toiled over the capstan , and late in the afternoon slipped out of the harbour.}}
  • *{{quote-magazine, year=2013, month=July-August, author=(Henry Petroski)
    • , title= Geothermal Energy , volume=101, issue=4, magazine=(American Scientist) , passage=Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame. With more settled people, animals were harnessed to capstans or caged in treadmills to turn grist into meal.}}
  • (electronics) A rotating spindle used to move recording tape through the mechanism of a tape recorder.

    • Derived terms

    * capstan bar - one of the long bars or levers by which the capstan is worked; a handspike. * pawl the capstan - to drop the pawls so that they will catch in the notches of the pawl ring, and prevent the capstan from turning back. * rig the capstan - to prepare the for use, by putting the bars in the sockets. * surge the capstan - to slack the tension of the rope or cable wound around it.

    See also

    * (wikipedia "capstan")

    Anagrams

    *