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A lashing is an arrangement of
rope
A rope is a group of yarns, plies, fibres, or strands that are twisted or braided together into a larger and stronger form. Ropes have tensile strength and so can be used for dragging and lifting. Rope is thicker and stronger than similarly ...
, wire, or webbing with linking device used to secure and fasten two or more items together in a somewhat rigid manner. Lashings are most commonly applied to timber poles, and are commonly associated with cargo, containerisation, the
Scouting
Scouting, also known as the Scout Movement, is a worldwide youth movement employing the Scout method, a program of informal education with an emphasis on practical outdoor activities, including camping, woodcraft, aquatics, hiking, backpacking ...
movement, and
sailor
A sailor, seaman, mariner, or seafarer is a person who works aboard a watercraft as part of its crew, and may work in any one of a number of different fields that are related to the operation and maintenance of a ship.
The profession of the s ...
s.
It has been imagined that the first lashing made by humans was wrapping a few strips of bark around a stone to hold it to a tree branch to make an ax to hunt and build with. In modern times, the same methods are used, but strips of bark and vines have been replaced with natural and synthetic fiber ropes.
Scout
Scout may refer to:
Youth movement
*Scout (Scouting), a child, usually 10–18 years of age, participating in the worldwide Scouting movement
**Scouts (The Scout Association), section for 10-14 year olds in the United Kingdom
**Scouts BSA, sectio ...
s and campers use lashings to build camp gadgets and improve their campsites for comfort and convenience, including the building of
rafts
A raft is any flat structure for support or transportation over water. It is usually of basic design, characterized by the absence of a hull. Rafts are usually kept afloat by using any combination of buoyant materials such as wood, sealed barrels ...
for transport and
competitive events. Lashings are also used in
pioneering, the art of creating structures such as bridges and towers, using ropes and wooden spars.
There are still areas in the world where lashing spars (or poles) is the basic means of building.
Types
Square lashing
Square lashing is a type of lashing used to bind spars together, at right angles to one another. There are different types, but all consist of a series of wraps around the spars, and frapping around the line running between the spars.
Diagonal lashing
Diagonal lashing is a type of lashing used to bind
spar
SPAR, originally DESPAR, styled as DE SPAR, is a Dutch multinational that provides branding, supplies and support services for independently owned and operated food retail stores. It was founded in the Netherlands in 1932, by Adriaan van Well, ...
s or poles together, to prevent racking. It gets its name from the fact that the wrapping turns cross the poles diagonally and is used to spring poles together where they do not touch as in the X-brace of a trestle.
Shear lashing
Shear lashing (two-spar shear lashing) also spelled "sheer lashing" is used for lashing together two parallel spars which will be opened out of the parallel to form sheer legs as in the formation of an A-frame. The clove hitch is tied around one leg only and frapping turns are taken between the poles.
Round lashing
The round lashing is most frequently used to join two poles together to extend their length. Typically, two lashings are used a reasonable distance apart for extra strength. In the simple version, a clove hitch is tied around both poles and there are no frapping turns.
The nautical term gammon means a round lashing of rope or iron hardware to attach a
mast to a boat or ship.
Tripod lashing
The tripod lashing (also known as
gyn
A gyn is an improvised three legged lifting device used on sailing ships. It provides more stability than a derrick or sheers, and requires no rigging for support. Without additional support, however, it can only be used for lifting things dire ...
lashing, of eight lashing, and three-spar shear lashing) is used to join three spars together to form a tripod.
See also
*
Binding knot
Binding may refer to:
Computing
* Binding, associating a network socket with a local port number and IP address
* Data binding, the technique of connecting two data elements together
** UI data binding, linking a user interface element to an elem ...
*
D-ring
A D-ring is a D-shaped metal ring used primarily as a lashing point in a tie-down system. Depending on their function D-rings may vary in composition, geometry, weight, finish, and load capacity. They may be screwed or welded in place, or attach ...
*
List of knots
This list of knots includes many alternative names for common knots and lashings. Knot names have evolved over time, and there are many conflicting or confusing naming issues. The overhand knot, for example, is also known as the thumb knot. The ...
References
External links
*http://www.ropeworks.biz/archive/tripod.html
*http://scoutpioneering.com - Scout Pioneering photos, diagrams, illustrations and procedures
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Ropework
Survival skills