What is a chock on a ship?

Asked by: Brandon Miller

Chocks: are structural reinforcements on ships which guide the mooring lines to and from the shore / other vessels. Chocks need to be of a much higher SWL than the mooring line to avoid structural damage and withstand various forces when a vessel is moored.

What is chock in mooring?

The mooring chock, also known as Panama chock, is cast steel with circular or elliptical shapes, which is an essential guideline device. The chock is generally mounted on the bulwark. The boat mooring chocks have much more insurance than the open chock because it is closed and the cable will not jump out.

What are the three types of chocks?

Based on the purpose there are 3 types of chocks, support chock, side chocks and end chocks. > Support chocks: These are the main chocks fitted beneath the bedplate as shown in the fig above.

What is open chock in ship?

The Open Chock is made according to the standard of JIS F 2006-1976 and is a special model of the marine mooring chock used for small boats to lead the mooring rope from ship’s inboard to outboard. It also can be applied for military and industrial ships, operating effectively throughout the world.

What is closed chock in ship?

Closed Chocks are used for holding down line or wire by running it through the center of the chock. They secure line or wire close to the deck and eliminate the line or wire from “riding up” on a bitt.

What is a bitt on a ship?

bitts pl (plural only) (nautical, plural only) A frame composed of two strong oak timbers (bitt-heads) fixed vertically in the fore part of a ship, bolted to the deck beams to which are secured the cables when the ship rides to anchor.

What is bollard and chock?

The marine mooring bollard is a post used on ship’s deck or quay. It is a simple and cost-effective way to fulfill mooring requirements and safely secure vessels alongside jetties, berths, wharves and dolphins in ports and harbors. The mooring chock is a very important mooring equipment.

What is fairlead in ship?

A fairlead is a device to guide a line, rope or cable around an object, out of the way or to stop it from moving laterally. Typically a fairlead will be a ring or hook.

What is Panama lead on ship?

A non-roller type fairlead mounted at the ship’s side and enclosed so that mooring lines may be led to shore with equal facility either above or below the horizontal.

What is holding down bolts in marine engine?

To provide a clamping force through friction between bedplate, chock and the ship’s structure in order to resist the propeller thrust. To provide stiffness to the engine.

What is a ship capstan?

capstan, mechanical device used chiefly on board ships or in shipyards for moving heavy weights by means of ropes, cables, or chains. Capstans also have been used in railroad yards for spotting (positioning) freight cars.

Is a chock a fairlead?

Universal Fairleads were widely used ships earlier in lieu of chocks. Pedestal Fairleads assist in guiding mooring lines for an appropriate lead. Chocks: are structural reinforcements on ships which guide the mooring lines to and from the shore / other vessels.

What is mooring winch?

Mooring winch is a mechanical device used for securing a ship to the berth. An equipment with various barrels used for pulling ropes or cables, mooring winches play an important role in berthing the ship ashore.

What is a female winch?

May 19, 2016 yanira.vargas. “Wench” began as a general term for a girl or woman, and over the centuries acquired a variety of meanings, including female servant, lower-class female, and prostitute. It is mostly used today as a jokingly affectionate archaic allusion to Shakespearean ribaldry.

What is gypsy head?

[′jip·sē ‚hed] (naval architecture) A small auxiliary drum at the end of a windlass or capstan, used to handle lines. Also spelled gipsy head.