Difference between revisions of "Block"

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A block is the nautical term for what is commonly called a "pulley".
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A '''block''' is the nautical term for what is commonly called a "pulley".
  
 
A block consists of one or more [[Sheave|sheaves]] inside a frame.
 
A block consists of one or more [[Sheave|sheaves]] inside a frame.
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The term "block" usually refers to a block that is attached at one end by a shackle or other fitting and can turn and rotate, alowing a line to enter the block at a variety of different angles.
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[[Image:Turning_block.jpg|frame|A turning block being used as a [[fairlead]]]]
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A '''turning block''' is a block that is fixed to the deck, or some other part of the boat, and does not move.  The line must enter the turning block in a plane that is parallel to the block's sheave.
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[[Category:Sailing Terms]]

Latest revision as of 10:42, 1 May 2009

A block is the nautical term for what is commonly called a "pulley".

A block consists of one or more sheaves inside a frame.

The term "block" usually refers to a block that is attached at one end by a shackle or other fitting and can turn and rotate, alowing a line to enter the block at a variety of different angles.

A turning block being used as a fairlead

A turning block is a block that is fixed to the deck, or some other part of the boat, and does not move. The line must enter the turning block in a plane that is parallel to the block's sheave.