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Knots/Bend knots/Zeppelin bend
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Zeppelin bend Zeppelin Bend Final.jpg Rosendahl bend bend Zeppelin loop, Hunter's bend Non-jamming Connecting two ropes
A Zeppelin bend is an all purpose bend knot: it is a secure, easily tied, and jam-proof way to connect two ropes. Though its simplicity and security may be matched by other bends, it is unique in the ease with which it is untied, even after heavy loading. It is also referred to as a "Rosendahl bend", both names stemming from its use to moor airships (Zeppelin being a type of airship, and Charles Rosendahl being the airship captain who popularized this bend by insisting it be used to moor his craft). Despite being praised by some sources as "the perfect bend knot", the knot is not very well-known; Clifford Ashley, author of The Ashley Book of Knots, was apparently unaware of this bend.
Tying
thumb|left|300px|Zeppelin bend step by step
Form a loop in each of the ends of rope
Overlay one loop on the other, such that the working end of each rope faces "outwards" or away from the other hitch
Pull either loose end once around the loop in the other rope, and then through the "tunnel" created by the two hitches
Repeat with the other loose end
Pull on all four rope parts to tighten the knot.
To untie, pull simultaneously on the two turns that go round the standing parts.
External links
Description of the Zeppelin Bend on Notable Knot Index