Yosemite bowline

The half times bowline, bowline and 1.5 ( in English: Yosemite bowline or bowline with Yosemite finish), serves as a case of correct knotting secure and very easy detached again after loading Anseilknoten. When knotting can be caused by internal displacement of a non -duty, transitory nodes.

Name and history

The Bulin 1.5 is a variation of the bowline or bowline. It was first described in the late 1970s by John Harlin as nodes for roping. The name comes from Chris Semmel (DAV).

Application

The Bulin 1.5 is used as a particularly secure fixed loop.

The decisive factor is its high knot strength: the rope retains about 67 percent of its original tensile strength. He has all loop nodes used in climbing the highest breaking strength and weakens the rope at least. The Bulin 1.5 is superior to the world's eight knot used in climbing and rescue ( 63%). The Bulin 1.5 is used as an alternate Anseilknoten. It has the advantage over the figure-eight knot, that it can easily be solved even after heavy or multiple load again, but he is prone to error: its appearance is not as clear as that of the eight node. Therefore, in climbing and in the rescue of all organizations of eight knot is recommended and preferred.

The harness

The Bulin 1.5 can be used while climbing as a safe connection between climbing rope and harness.

The Bulin 1.5 should be integrated more directly (as with all Anseilknoten usual), not with a carbine in between - except for SKT. A carabiner can result in the overthrow of serious head, jaw and dental injuries ( this mainly to whole- body harnesses ). At the belay loop is also the largest load of the whole security chain, so at this point no carabiners should be used (risk of breakage by shear loading ).

The snap hook

The Bulin 1.5 can also be used as a connection between the rope and carabiner.

Tie

For the application to the harness of the bowline is 1.5 plugged in ( see above): In the end of a rope to an eye loops, so that there is still about a meter rope end and performs this through the tie-in loop the harness.

Now you can take the loose end through the eye to the solid ( long ) end around, and back again through the eye (like the inside bowline ). It is crucial that passing the loose end of the right side in the eye, and vice versa back through the eye, so that the two cable ends are parallel. When one is immersed from the wrong side in the eye, there is no node.

Unlike the Bulin you now travels with the loose end of the small eye parallel after, so that the loose end comes to lie parallel to the long end and doing some kind of "half figure eight knot " is formed. Node then tighten carefully. Be very careful that first the " bowline " and then the return is tightened. If we take first determines the return, the node can partially dissolve, so that an unsafe node is created.

Similar to the inside bowline

Finished

Hazards

When knotting, by unnoticed sliding up inside the last loop down an extremely dangerous and not resilient nodes are created (one -eight knot, by the end of the rope is simply put and therefore slips free). Both nodes are also difficult to keep apart.

Alternatives

• When climbing, and in the rescue of eight nodes.
• As easy open variant of the double bowline is used when climbing.
• If a fixed loop needed in the middle of a rope, the butterfly knot is recommended.
• If the node is not to be used for climbing or for other security purposes, simply if a fixed loop is used, the bowline is recommended, it is considered the standard in shipping.