capstan

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capstan

1. a machine with a drum that rotates round a vertical spindle and is turned by a motor or lever, used for hauling in heavy ropes, etc.
2. any similar device, such as the rotating shaft in a tape recorder that pulls the tape past the head

Capstan

 

a ship’s winch with a vertical drum for lowering and hoisting the anchor, taking up the slack in mooring lines, lowering fishnets and trawls, and the like. Capstans may be operated manually or by steam, electric, or hydraulic drives. The drives are usually set below deck.

capstan

[′kap·stən]
(engineering)
A shaft which pulls magnetic tape through a machine at constant speed.
(naval architecture)
A rotating vertical spindle-mounted drum on which cable is wound for raising an anchor or other heavy weight.

capstan

On magnetic tape drives, a motorized cylinder that traps the tape against a free-wheeling roller and moves it at a regulated speed.


References in periodicals archive ?
As ships and anchors got bigger, a device needed to be invented to haul the anchor up - thus the capstan was born, probably more than 2,000 years ago.
Product line includes payoffs, accumulators, extruders, cooling troughs, capstans, take-ups, computer-control systems and technology.
Tenders are invited for Addendum Of Renewal Of Pipe Including Necessary Fitting Of Penstocks And Capstans Of Ns And Kp Lock And Dry Docks
Two 100m 300-person accommodation/work barges will each feature eight-point mooring systems, with an 85-tonne line pull/150-tonne brake holding capacity, tugger winches and capstans.
Manual and microprocessor-controlled wire and cable, fiber-optic, and tubing extrusion systems include dual-flyer payoffs, payoffs stands, NM series single-screw extruders, fixed and manual centering crossheads, entry/exit caterpillars and capstans, multipass cooling troughs, vacuum-calibration troughs, dual automatic coilers, single and dual automatic take-ups, take-up stands, and cabling machinery.
Eight-point MacGregor mooring systems, with a 150-tonne line pull/270-tonne brake holding capacity, tugger winches and capstans have been specified for two new 500-men accommodation work barges being built at the yard.
Manual and microprocessor-controlled wire and cable, fiber-optic, and tubing extrusion systems include dual-flyer payoffs, payoff stands, NM series single-screw extruders, fixed and manual centering cross-heads, entry/exit caterpillars and capstans, multipass cooling troughs, vacuum-calibration troughs, dual automatic coilers, single and dual automatic take-ups, take-up stands, and cabling machinery.
Repair of the outer skin, the attachments, the capstans, remote access systems, the Fallreepanlagen and GT exhaust ducts,
All will have a 60-tonne bollard pull and will be equipped with MacGregor electro-hydraulic windlass/mooring winches, capstans, tugger winches and storage reels, along with anchor handling/ towing winches with a 120-tonnes line pull and 200-tonne brake holding capacity.
Offers manual and microprocessor-controlled wire and cable, fiber-optic, and plastic tubing extrusion systems, which include dual flyer pay-offs, pay-off stands, BM Series single-screw extruders, fixed and manual centering cross-heads, entry/exit caterpillars and capstans, multipass cooling troughs, vacuum calibration troughs, single and dual automatic take-ups, take-up stands, and cabling machinery.
This includes the repair of the outer skin, the attachments, the capstans and RAS systems, the Fallreepanlagen and the GT exhaust shafts, and assistance in the shipbuilding investigation.
Seaway Powell Marine Ltd, specialists in the design and manufacture of marine hydraulic systems, has succeeded a deal for rendering capstans for the new RNLI Shannon class all-weather lifeboat.