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 a mooring chock?

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 is open chock on 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 on 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 are types of chock?

The triangle chocks are widely used for small boats and different vessels, such as container vessels, tankers, bulk carriers, tug, dry cargo vessels, etc. Marine mooring chock has two types: deck mounted chock & bulwark mounted chock.

What is roller fairlead on ship?

Marine roller fairlead, also called guide roller, is installed on the round-shaped base of ship deck between the fairlead and winch. It is used to change the direction of mooring ropes and helps lead the ropes to the reel.

What post on the ship are also called Samson post?

Quick Reference

Later, a small derrick mast in a merchant ship to support the cargo booms came to be known as a samson post. They were usually fitted in pairs and were known colloquially as goalposts. It is also the name of a post fitted on the foredeck of yachts and small craft.

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 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.

What are Sampson posts?

Noun. Samson post (plural Samson posts) (nautical) A strong post resting on the keelson and supporting a beam of the deck. (nautical) A temporary or movable pillar carrying a leading block or pulley for various purposes. In deepwell boring, the post which supports the walking beam of the apparatus.

What is the purpose of a Samson post?

noun (sometimes initial capital letter)Nautical. a strong bitt or post at the bow or stern of a vessel. a king post for supporting cargo-handling booms on the deck of a ship.

What is the difference between the Samsons post and mast of the ship?

Masts are vertical spars usually made of steel. They are stepped on the center line of the ship. King posts are also known as Sampson posts or stump masts and are vertical spars, usually steel, stepped in pairs, one on each side of the center line of the ship. They may also serve as ventilators.