Difference between revisions of "AY Honors/Knot/Carrick bend"

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{{Knot-details
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| image= [[Carrick-on-Suir]] shows numerous Carrick bends molded in relief.  Or the name may come from [[Carrick Roads]] — a large natural [[Harbor|anchorage]] by [[Falmouth, Cornwall|Falmouth]] in [[Cornwall]], [[England]].  The name may also have been derived from the [[Carrack]], a medieval type of ship.<ref name="budult">Geoffrey Budworth, ''The Ultimate Encyclopedia of Knots'' (London: Hermes House, 1999), 60.</ref>
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== Variations ==
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The eight crossings within the Carrick bend allow for many similar looking knots to be made.  The lines in a "full" or "true" Carrick bend alternate between over and under at ''every crossing''.  There are also two ways the ends can emerge from the knot: diagonally opposed or from the same side.  The form with the ends emerging diagonally opposed is considered more secure.<ref name="budcomp"/>
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Unfortunately, with so many [[permutations]], the Carrick bend is prone to being tied incorrectly.<ref name="ashley262"/>
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Knot
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| image=Knife-lanyard-knot-ABOK-787-Carrick-start.jpg
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| image_caption=A fully interwoven diagonally opposed Carrick bend
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| image2 = Carrick-bend-seized-ABOK-1439.jpg
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| name=Carrick bend
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| use =
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The Carrick bend is used for joining two lines. It is particularly appropriate for very heavy rope or cable that is too large and stiff to easily be formed into other common bends. It will not jam even after carrying a significant load or being soaked with water. The Carrick bend's aesthetically pleasing interwoven and symmetrical shape has also made it popular for decorative purposes.
  
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===Capsized===
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[[Image:Carrick-bend-ABOK-1439-Capsized.jpg|thumb|right|Capsized Carrick bend]]
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In the interest of making the Carrick bend easier to untie, especially when tied in extremely large rope, the ends may be seized to prevent the knot from collapsing when load is applied. This practice also keeps the knot's profile flatter and can ease its passage over capstans or winches.
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The Carrick bend is generally tied in a flat interwoven form and without additional measures it will [[Knot#Capsizing|capsize]] (collapse) under load into a stable but bulky form.  This capsized form is more convenient to make, but is likely to be more difficult to untie than when seized.
 
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===Seized===
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[[Image:Carrick-bend-seized-ABOK-1439.jpg|thumb|Seized Carrick Bend, Round seizing on left, multiple tight double constrictor knots on right.]]
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The ends are traditionally seized to their standing part using a Round seizing. For expediency, a series of double constrictor knots, drawn very tight, may also be used. When seizing the Carrick bend, ''both'' ends must be secured to their standing parts or the bend will slip.
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In the interest of making the Carrick bend easier to untie, especially when tied in extremely large rope, the ends may be seized to prevent the knot from collapsing when load is applied. This practice also keeps the knot's profile flatter and can ease its passage over [[Capstan (nautical)|capstans]] or [[Winch|winches]].<ref name="pawpock">Des Pawson, ''Pocket Guide to Knots & Splices'' (Edison, NJ: Chartwell Books, Inc., 2002), 114-115.</ref>
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| image2 = Carrick-bend-seized-ABOK-1439.jpg
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| warnings = The Carrick bend is generally tied in a flat interwoven form shown above. Without additional measures it will capsize (collapse) under load into a secure and stable, although bulky, form. If the knot is allowed to capsize naturally under tension, considerable slippage of line through the knot can occur before tightening. The knot should be upset carefully into the capsized form and worked up tight before actual use.
  
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The ends are traditionally seized to their standing part using a [[Round seizing]].  For expediency, a series of [[Constrictor knot#Double constrictor knot|double constrictor knots]], drawn very tight, may also be used.<ref name="tossguide"/> When seizing the Carrick bend, ''both'' ends must be secured to their standing parts or the bend will slip.
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==Decorative uses==
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[[Image:Double coin knot-rotated.jpg|thumb|Decorative form made with doubled lines]]
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In the decorative variation, both standing ends enter from one side and both working ends exit from the other.  In this configuration the knot is known as the ''Josephine knot'' ([[macrame]]) or ''double coin knot'' ([[Chinese knotting]]).  This form of the Carrick bend is found depicted in [[heraldry]], sometimes with the tails of [[Charge (heraldry)|heraldic serpents]] woven (or "nowed") into this knot.<ref name="histsci">J.C. Turner and P. van de Griend (ed.), ''The History and Science of Knots'' (Singapore: World Scientific, 1996), 388.</ref>
 
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The knot can be tied using doubled lines for an even flatter, more elaborate appearance.
 
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==Security==
 
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The fully interwoven diagonal Carrick bend is the most secure variation.  All other forms are inferior<ref name="ashley262"/> and not recommended as bends.<ref name="budcomp"/> Given the possibility of tying the Carrick bend incorrectly, it is important to carefully check the knot each time it is tied.
 
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Although the Carrick bend has a reputation for strength, some tests have shown it to be as weak as 65% [[Knot#Strength|efficiency]].<ref name="budcomp"/>
 
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==References==
 
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{{reflist}}
 
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==External links==
 
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* [http://www.animatedknots.com/carrick/ Grog's Animated Knots: How to tie the carrick bend]
 
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[[Category:Bend knots]]
 
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[[de:Trossenstek]]
 
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[[fr:Nœud de carrick]]
 

Latest revision as of 14:04, 8 September 2021


Carrick bend
A fully interwoven diagonally opposed Carrick bend
Carrick-bend-seized-ABOK-1439.jpg

Use: The Carrick bend is used for joining two lines. It is particularly appropriate for very heavy rope or cable that is too large and stiff to easily be formed into other common bends. It will not jam even after carrying a significant load or being soaked with water. The Carrick bend's aesthetically pleasing interwoven and symmetrical shape has also made it popular for decorative purposes.

In the interest of making the Carrick bend easier to untie, especially when tied in extremely large rope, the ends may be seized to prevent the knot from collapsing when load is applied. This practice also keeps the knot's profile flatter and can ease its passage over capstans or winches.

The ends are traditionally seized to their standing part using a Round seizing. For expediency, a series of double constrictor knots, drawn very tight, may also be used. When seizing the Carrick bend, both ends must be secured to their standing parts or the bend will slip.

WARNING: The Carrick bend is generally tied in a flat interwoven form shown above. Without additional measures it will capsize (collapse) under load into a secure and stable, although bulky, form. If the knot is allowed to capsize naturally under tension, considerable slippage of line through the knot can occur before tightening. The knot should be upset carefully into the capsized form and worked up tight before actual use.


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