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General Ropework & Rigging

General Ropework & Rigging. BLOCKS. EYE. CROWN. TALLY PLATE. SWALLOW. SHEAVE. CHEEK. TAIL or ARSE. BECKET. SNATCH BLOCK. A block with a gate held by a spring toggle Useful when a block needs to be clipped to a fixed line, e.g. RAS

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General Ropework & Rigging

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  1. General Ropework & Rigging

  2. BLOCKS EYE CROWN TALLY PLATE SWALLOW SHEAVE CHEEK TAIL or ARSE BECKET

  3. SNATCH BLOCK A block with a gate held by a spring toggle Useful when a block needs to be clipped to a fixed line, e.g. RAS Never to be used when a fixed block can be used - danger of failure

  4. CLUMP BLOCK • Can be made of wood or metal • Has an exceptionally large swallow • It will take rope one sixth of it’s size • metal clump blocks are designed to take chain

  5. BLOCK CONSTRUCTION - METAL • Built up of steel plates & fittings • Shells have binding which supplies strength • cheeks of light plating • Some metal blocks have their shells are cast in one piece • Metal blocks vary considerably in quality and finish for the job they perform

  6. BLOCK CONSTRUCTION – WOOD (Internal Bound)

  7. BLOCK CONSTRUCTION – SRBF –Synthetic Resin Bonded Fibre Metal Binding Compressed resin and fibre sheaves and protective shell Tally plates with usage details Stamped with test dates

  8. WHAT IS A TACKLE? A Tackle pronounced “Taycle” is a purchase consisting of a rope rove through two or more blocks. The effect of the ‘pull’ is increased depending on how many sheaves and the way the rope is ‘rove’ through them.

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