Iron fingers that click into notches in the barrel on a winch to prevent roll-back.


Related Terms

CRAB

A winch used for raising the leeboard which has a barrel fir pulling in the staysail sheets.

WINDLASS

The winch used to raise a ship's anchor

WINCH

A device used to increase hauling power when handling mooring ropes, raising or trimming sails etc.

WHIPPING

Means of fixing a fibre rope so that the strands will not unravel. On wire rope it is called seize or wrap. Used tape or light wire. Can braze end of wire if going through drum or winch and take wire off.

COLLET

A split circular inset that tightens on a shaft when longitudinal compression is applied, used in winch clutch or drill chuck applications.

TENSION WINCH

A winch with which you can set a specific tension and it will maintain this tension and pay out line if the set tension is exceeded, therefore avoiding the parting of a towing hawser, or mooring line under excess strain.

TAIL

  1. The loose end of a rope that has been secured to a winch or a cleat
  2. A short length of synthetic rope attached to the end of a mooring line to provide increased elasticity and also ease of handling. Also referred to as ‘pennant’or pendant.

HAND WINCH

A winch that is operated by hand.

POLARIZED-VANE AMMETER

An ammeter of only moderate accuracy in which the current to be measured passes through a small coil, distorting the field of a circular permanent magnet, and an iron vane aligns itself with the axis of the distorted field, the deflection being roughly proportional to the current.

PLUNGER-TYPE INSTRUMENT

Moving-iron instrument in which the pointer is attached to a long and specially shaped piece of iron that is drawn into or moved out of a coil carrying the current to be measured.

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