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Revision as of 09:09, 3 February 2002 by 130.94.122.xxx (talk)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Both length and velocity are measured in knots; in the former case, it is equivalent to a Nautical mile; in the latter, to a Nautical mile per hour.
A knot may consist of a length of one or more ropes, cord, twine, string, strap or chain interweaved so as to create in the rope the ability to bind to itself or to some other object. Some knots are are well adapted to bind to particular objects such as another rope, load, cleat, ring, pole or constrict a object. Decorative knots often bind to themselves to produce attractive patterns.
Knots have been the subject of interest both for their ancient history, common use or their mathematical implications.
Knots are essential in many industrial, work, home or recreational activities. Truckers need to tie down a load and will use a Trucker's hitch. Are you spelunking having foolishly but voluntarily burried yourself pre-maturely under millions of tons of rock? What ever the activity, on the water sailingor on a cliff-side rock . Learning well tested knots prior to some hazardous activity introduces a critical measure of safety. Even simple activites such as running a load from the hardware store home can result in disaster if a clumsy twist in a cord passes for a knot.
The list of knots is extensive but there are some general properites common to the various knot categories. For example, loop knots share the attribute of having some kind of an anchor point tied on the standing end (such as a loop or overhand knot) into which the working end is hitched (using a round turn. Binding knots often rely on friction to cinch down tight on bundles.
Besides safety being an important reason to learn knots, using the appropriate knot can also save having to cut a line unneccessarily. This is a definite benefit if the line is expensive like climbing rope.
Knots are often classified as loop, bend, whipping, stopper, hitch and decorative. Many knots span multiple categories.
Some knots have multiple names. For example the overhand is also known as the thumb knot. the Alpine Butterfly loop is often abbreviated to just Butterfly loop. The variant names should be included in the list with links to the most formal name.
Alphabetical List
- adjustible hitch
- albright knot
- anchor bend
- alpine butterfly loop
- arbor knot
- artillery loop
- bag knot
- barrel knot
- blackwall hitch
- blood knot
- bow knot
- bowline on bight
- bowline
- buntline hitch
- cat's paw
- chain hitch
- clove hitch
- clove hitch
- constrictor knot
- cow hitch
- diamond knot
- double carrick bend
- double figure eight
- double overhand
- double sheet bend
- double stopper
- double uni knot
- dropper loop
- dutra double loop knot
- figure eight follow through
- figure eight knot
- figure eight
- fisherman's eye
- fisherman's knot
- flemish knot
- half hitch
- half hitch
- halyard bend
- hangman's noose
- hitching tie
- improved clinch knot
- italian hitch
- jamming hitch
- jug sling
- killick hitch
- lariat loop
- lark's head
- lineman's loop
- marlin hitch
- midshipman's hitch
- monkey's fist
- mooring hitch
- nail knot
- orvis knot
- overhand
- painter's hitch
- palomar knot
- perfection loop
- pile hitch
- reef knot
- ringbolt hitch
- rolling hitch
- round hitch
- round turn
- running knot
- sailor's knot
- sheep shank
- sheet bend
- sheet bend
- simple simon over
- simple simon under
- single hitch
- single stopper
- slippery hitch
- slippery round hitch
- slip
- square knot
- stevedor's knot
- surgeon's end loop
- surgeon's knot
- taut-line
- thumb knot
- tiller's hitch
- timber hitch
- trilene knot
- trucker's hitch
- two half hitches
- uni knot
- water knot
descriptions and tying instructions should be added
In knot theory, a knot is an embedding of a circle in 3-D space, considered up to deformations (isotopies). This is basically equivalent to a conventional knot with the ends of the string tied together to prevent it from becoming undone. In higher dimensions, circles are unknotted anyways, so one considers embeddings of spheres and hyperspheres.
See also: Scouting