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According to its principle, the node "capstan loop" same as crab knot. With a strong jerk at the ends indicated by the letters A and B, the knot changes its characteristics and turns from a tightening loop into a non-tightening loop.

The French word "capstan", which once got into our maritime language and at one time was used in the navy, denotes the term "spire" - a vertical single or double gate for choosing an anchor rope and mooring lines. Apparently, this knot was used on cables when working with a capstan.


Rice. 118. Capstan loop (a cross indicates a working loop)

Author: Skryagin L.N.

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