Buntline hitch

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Buntline hitch
Buntline-hitches-header.jpg
Left: Buntline hitch
Right: Slipped buntline hitch
NamesBuntline hitch, Stunsail tack bend, [1] Studding sail tack bend, Inside clove hitch
Category Hitch
Related Clove hitch, Two half-hitches, Lobster buoy hitch, Corned beef knot
Releasing Jamming
ABoK #55, #397, #1229, #1711, #1712, #1807, #1838, #1847, #1918, #2408

The buntline hitch is a knot used for attaching a rope to an object. It is formed by passing the working end around an object, then making a clove hitch around the rope's standing part and taking care that the turns of the clove hitch progress towards the object rather than away from it. Secure and easily tied, the buntline hitch will jam when subjected to extreme loads. Given the knot's propensity to jam, it is often made in slipped form.

Contents

The buntline hitch, when bent to a yard, makes a more secure knot than two half hitches, but is more liable to jam. It differs from two half hitches in that the second half hitch is inside instead of outside the first one.

History

Untightened buntline hitch Buntline-hitch-ABOK-1711.jpg
Untightened buntline hitch

Simple and effective, the buntline hitch dates to the age of sail, when it was used to secure buntlines to the foot of the sails [3] [4] on square-rigged ships. That the buntline hitch was the preferred knot speaks to its security and reliability. [3] [5] Once set, repeated jerking and slatting tend to tighten it further rather than loosen it. [6] Its compact size allowed the foot of the sail to be drawn up as closely as possible to the buntline deadeyes on top of the yard.

It has gained in popularity in recent years due to its performance in slippery modern synthetic lines. [3] [6]

Usage

Untightened slipped buntline hitch Slipped-buntline-hitch-ABOK-1712.jpg
Untightened slipped buntline hitch

The buntline hitch is useful for attaching lines to rings, eyes, posts, rods, and railings where a compact and secure knot is required. The non-slipped form is appropriate for moderate loads or where the knot will not need to be untied often. [7] If heavily loaded it can be difficult or impossible to untie without the aid of a marlinspike. [3]

The slipped form is more versatile and convenient when a secure temporary hitch is needed. For example, the slipped buntline hitch is an excellent choice to fasten a line to one side of a vehicle's luggage rack, with a trucker's hitch being used on the other side to tension the line over a load placed between them.

The buntline hitch is the same knot as the four-in-hand knot used for neckties. [6] When it is made in flat material in the manner used to fasten a necktie, the working end is brought more parallel to the standing part during tightening than generally seen when made in cylindrical cordage for load-bearing purposes.

Tying

Buntline-diagram.png

The buntline hitch is simply a clove hitch tied around the standing part, with the turns of the clove hitch progressing towards the object.

Slipped variation

Slipped-buntline-hitch.svg

The slipped variation is made by passing a bight through on the final step instead of the end. The knot may be released by pulling at the free end of the rope.

Security

While the buntline hitch is considered a secure knot, the turns of the clove hitch must progress towards the object, otherwise the much less secure two half-hitches will result.

Although not generally required, a round turn can first be made around the object causing the buntline hitch to be even less prone to slipping. [8]

A buntline hitch may also be tied with an extra half turn for security: see highpoint hitch.

See also

Related Research Articles

Knot Method of fastening or securing linear material

A knot is an intentional complication in cordage which may be practical or decorative, or both. Practical knots are classified by function, including hitches, bends, loop knots, and splices: a hitch fastens a rope to another object; a bend fastens two ends of a rope to each another; a loop knot is any knot creating a loop, and splice denotes any multi-strand knot, including bends and loops. A knot may also refer, in the strictest sense, to a stopper or knob at the end of a rope to keep that end from slipping through a grommet or eye. Knots have excited interest since ancient times for their practical uses, as well as their topological intricacy, studied in the area of mathematics known as knot theory.

Bowline Simple knot used to form a fixed loop at the end of a rope

The bowline is an ancient and simple knot used to form a fixed loop at the end of a rope. It has the virtues of being both easy to tie and untie; most notably, it is easy to untie after being subjected to a load. The bowline is sometimes referred to as King of the knots because of its importance. Along with the sheet bend and the clove hitch, the bowline is often considered one of the most essential knots.

Constrictor knot type of binding knot

The constrictor knot is one of the most effective binding knots. Simple and secure, it is a harsh knot that can be difficult or impossible to untie once tightened. It is made similarly to a clove hitch but with one end passed under the other, forming an overhand knot under a riding turn. The double constrictor knot is an even more robust variation that features two riding turns.

Clove hitch type of knot

The clove hitch is a type of knot. Along with the bowline and the sheet bend, it is often considered one of the most important knots. A clove hitch is two successive half-hitches around an object. It is most effectively used as a crossing knot. It can be used as a binding knot, but is not particularly secure in that role. A clove hitch made around the rope's own standing part is known as either two half-hitches or buntline hitch, depending on whether the turns of the clove hitch progress away from or towards the hitched object.

Although the name clove hitch is given by Falconer in his Dictionary of 1769, the knot is much older, having been tied in ratlines at least as early as the first quarter of the sixteenth century. This is shown in early sculpture and paintings. A round turn is taken with the ratline and then a hitch is added below. The forward end is always the first to be made fast.

The difference between two half hitches and the clove hitch is that the former, after a single turn around a spar, is made fast around its own standing part, while the latter is tied directly around the spar.

Truckers hitch hitch knot

The trucker's hitch is a compound knot commonly used for securing loads on trucks or trailers. This general arrangement, using loops and turns in the rope itself to form a crude block and tackle, has long been used to tension lines and is known by multiple names. Knot author Geoffrey Budworth claims the knot can be traced back to the days when carters and hawkers used horse-drawn conveyances to move their wares from place to place.

Taut-line hitch hitch knot

The taut-line hitch is an adjustable loop knot for use on lines under tension. It is useful when the length of a line will need to be periodically adjusted in order to maintain tension. It is made by tying a rolling hitch around the standing part after passing around an anchor object. Tension is maintained by sliding the hitch to adjust the size of the loop, thus changing the effective length of the standing part without retying the knot.

Timber hitch a knot used to secure a line to a log or spar

The timber hitch is a knot used to attach a single length of rope to a cylindrical object. Secure while tension is maintained, it is easily untied even after heavy loading.

Zeppelin bend bend knot

A Zeppelin bend is an end-to-end joining knot formed by two symmetrically interlinked overhand knots. It is stable, secure, and highly resistant to jamming. It is also resistant to the effects of slack shaking and cyclic loading.

Cats paw (knot) Hitch knot

The Cat's paw is a knot used for connecting a rope to an object. It is very similar to the cow hitch except there is an additional twist on each side of the bight, making it less prone to slipping.

The cat's-paw is the common hook hitch for slings. It is the same basic form as the bale sling hitch but has additional twists. Brady says "two or three altogether," and Steel, who mentioned the name in 1794, says "three twists." It is the best of all sling hitches and is often recommended for a slippery rope. But no hitch can slip when tied in a slings since it has no ends. All that is needed is a hitch that cannot jam, and this requirement the cat's-paw fills admirably. The knot spills instantly when removed from the hook. It is the hitch always used for heavy lifts.

Sheet bend bend knot

The sheet bend is a bend. It is practical for joining lines of different diameter or rigidity.

Half hitch overhand knot

The half hitch is a simple overhand knot, where the working end of a line is brought over and under the standing part. Insecure on its own, it is a valuable component of a wide variety of useful and reliable hitches, bends, and knots.

Rolling hitch

The rolling hitch is a knot used to attach a rope to a rod, pole, or another rope. A simple friction hitch, it is used for lengthwise pull along an object rather than at right angles. The rolling hitch is designed to resist lengthwise movement for only a single direction of pull.

Halter hitch A type of knot that can be easily released

The halter hitch is a type of knot used to connect a rope to an object. As the name implies, an animal's lead rope, attached to its halter, may be tied to a post or hitching rail with this knot. The benefit of the halter hitch is that it can be easily released by pulling on one end of the rope, even if it is under tension. Some sources show the knot being finished with the free end running through the slipped loop to prevent it from working loose or being untied by a clever animal, still allowing easy but not instant untying.

Two half-hitches type of knot

Two half-hitches is a type of knot, specifically a binding knot or hitch knot. One variety consists of an overhand knot tied around a post, followed by a half-hitch. This knot is less often referred to as a clove hitch over itself, double half-hitch, or full-hitch.

Two half hitches is the commonest of all hitches for mooring in particular and also for general utility. Steel gives the name in 1794. The difference between two half hitches and the clove hitch is that the former, after a single turn around a spar, is made fast around its own standing part, while the latter is tied directly around the spar.

Bight (knot) curved section or slack part between the two ends of a rope

In knot tying, a bight is a curved section or slack part between the two ends of a rope, string, or yarn. A knot that can be tied using only the bight of a rope, without access to the ends, is described as in the bight. The term "bight" is also used in a more specific way when describing Turk's head knots, indicating how many repetitions of braiding are made in the circuit of a given knot.

Highpoint hitch

The highpoint hitch is a type of knot used to attach a rope to an object. The main feature of the hitch is that it is very secure, yet if tied as a slipped knot it can be released quickly and easily with one pull, even after heavy loading. The highpoint hitch is a buntline hitch with an extra half turn, making it more secure.

Pipe hitch

A pipe hitch is a hitch-type knot used to secure smooth cylindrical objects, such as pipes, poles, beams, or spars. According to The Ashley Book of Knots, a pipe hitch is "used to lower a pipe or hoist one" and as "another method of tying to a rectangular timber."

Swing hitch

Swing hitch is a way to tie a swing rope to a branch or other horizontal beam. Ashley describes it in ABOK as "... firm, strong, secure, and easily untied once the load has been removed."

References

  1. "Sailing & The Tech Dinghy Instruction Manual" (Revised ed.). Massachusetts Institute of Technology Nautical Association (MITNA). 1995 [1981]. Retrieved 2015-06-10.
  2. Ashley, Clifford W. (1944). The Ashley Book of Knots, p.295. Doubleday. ISBN   0-385-04025-3.
  3. 1 2 3 4 Brion Toss, Chapman's Nautical Guides: Knots (New York: Hearst Marine Books, 1990), 39.
  4. Clifford W. Ashley, The Ashley Book of Knots (New York: Doubleday, 1944), 310.
  5. Geoffrey Budworth, The Complete Book of Knots (London: Octopus, 1997), 51.
  6. 1 2 3 Des Pawson, Pocket Guide to Knots & Splices (Edison, NJ: Chartwell Books, Inc., 2002), 133.
  7. Brion Toss, The Complete Rigger's Apprentice (Camden: International Marine, 1998), 54.
  8. Ashley, 309.