Knot List: Zeppelin Bend ‐ Step-by-Step
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Zeppelin Bend TyingForm a bight in both ropes and overlap them. Pass each end around across itself - going over for the top bight and under for the bottom bight. Thread both ends past each other through the middle. Tighten to form the Zeppelin Bend. Back view.
Zeppelin Bend Details
Uses: The Zeppelin Bend is one of the bends employing interlocking overhand knots. It is a reliable bend that can be untied even after being heavily loaded but not, however, while still under load. It is an excellent alternative to the more widely used Double Fisherman's because it eliminates the risk of jamming.
Zeppelin Stories: Although highly improbable, the Zeppelin Bend has been described as being used to secure Airships. Indeed, vice Admiral Charles Rosendahl, Commanding Officer of the American Zeppelin (Los Angeles/ZR3), was even supposed to have insisted that the knot be used to moor his airship. These stories now seem highly unlikely:
Similar Knots: The Zeppelin Bend is remarkably similar to several other bends including the Ashley, Hunter's, and the Alpine Butterfly Bend. Essentially all these knots employ interlocking overhand knots with the ends threaded through or across the middle. David M. Delaney tested these bends and the Carrick Bend for their tendency to jam. He heavily loaded the knots tied in 1/16 inch braided nylon. The Ashley and the Hunter's consistently jammed tight and would have had to be cut to release them. The Alpine Butterfly Bend, the Zeppelin, and the Carrick could all be untied easily using fingers and fingernails. Amongst the family of bends based on linked overhand knots, it would seem prudent to avoid the Ashley and the Hunter's.
Tying it: The arrangement of the interlocking loops and the path of the ends through the center are critical. Although the Zeppelin is secure and can be untied easily, its similarity to other bends employing interlocking overhand knots risks confusion - and mistakes. For this reason we also recommend the Alpine Butterfly Bend tied using the same technique employed for the Alpine Butterfly Loop. Technique is critical because Roo emphasizes the risk of creating an Evil Impostor when tied incorrectly.
Advantages: The Zeppelin Bend is reliable with very little tendency to slip or bind. Testing by Roo found the knot to be exceptionally secure and shake-resistant in all materials. In this respect he regards it as superior to the Alpine Butterfly Bend.
Disadvantages: Attention to tying it correctly is critical. After it is tied, it can be hard to distinguish it from the less satisfactory Hunter's Bend.
Disclaimer: Any activity that involves ropes is potentially hazardous. Lives may be at risk - possibly your own. Considerable attention and effort have been made to ensure that these descriptions are accurate. However, many critical factors cannot be controlled, including: the choice of materials; the age, size, and condition of ropes; and the accuracy with which these descriptions have been followed. No responsibility is accepted for incidents arising from the use of this material.