Bowline Knot Details Uses: The Bowline (ABOK # 1010, p 186) makes a reasonably secure loop in the end of a piece of rope. It has many uses, e.g., to fasten a mooring line to a ring or a post. Under load, it does not slip or bind. With no load it can be untied easily. Two bowlines can be linked together to join two ropes. Its principal shortcoming is that it cannot be tied, or untied, when there is a load on the standing end. It should therefore be avoided when, for example, a mooring line may have to be released under load. Comparison: The Bowline and the Water Bowline are linked here for easy comparison. Name: The name Bowline derives from bow line. The Bow Line Knot secured the line holding the weather leech of a square sail forward to prevent it being taken aback. One Handed: The bowline can be tied with one hand - useful if injured, essential if you are using the other hand to hold on to the line or the boat! Left Handed Bowline Left Handed BowlineBowline with Yosemite Tie Off Bowline with Yosemite Tie Off Left Handed Bowline: When tied as shown in the animation, the tail lies in the middle of the loop. Passing the end the opposite way round the standing end forms a Left Handed bowline (ABOK # 1034 1/2, p 188). The left handed version also performs very satisfactorily but is generally regarded as less reliable then the standard bowline. Length of Tail End: An intermittent load, e.g., on a mooring line, may cause many knots to slip or loosen. The bowline is relatively tolerant of such stresses. Nevertheless some texts quote a rule of thumb which states that, for safety, the length of loose end should be 12 times the circumference. A half-inch diameter rope would require a tail more than eighteen inches long but this is rarely seen in practice. Bowline with Stopper to Line Bowline with Stopper to LineBowline with Stopper in Loop Bowline with Stopper in Loop Safety Knot: When climbers use a Bowline, they typically pass the tail outside the loop and under the collar to form a Yosemite Tie-off or they fasten the tail with a double overhand knot either to the adjoining loop or to the standing end. Shakes Undone If Not Loaded: A bowline makes a poor safety knot for a swimmer. When a bowline is unloaded, it can very readily work its way untied - I know, it has happened to me! Fortunately I only lost a scrubbing brush.
Posted on: Sat, 02 Nov 2013 04:36:45 +0000
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