CHAINS

 

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A chain is a series of connected links, usually made of metal.

 

Chains are usually made in one of two styles, according to their intended use:

  • Those designed for lifting, such as when used with a hoist, or for securing, such as with a bicycle lock, have links that are torus shaped, which makes the chain flexible in two dimensions.

  • Those designed for transferring power in machines have links designed to mesh with the teeth of the sprockets of the machine, and are flexible in only one dimension. They are known as Roller chains, typically used with anchors, rope and a windlass.

 

Ships broad link anchor chain

 

Ships anchor chain

 

 

Chains can also be decorative as jewellery.

 

LINKS and REFERENCE

 

 

 

Robot Ship, autonomous solar boat

SolarNavigator began life in 1990s as an attempt to prove that the world could be navigated on solar power alone in a SWATH boat. Since then the hull design has been refined to a SWASSH configuration - and electronics have developed to the stage where this vessel could be the first true fully autonomous Robot Ship - ideal for extended 365 day a year hydrographic surveying and other persistent ocean monitoring and surveillance.

 

 

 

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