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Submitted by: Eric Danielson
I've heard stories about people safely scaling cliffs
with this knot
Submitted by: Chris Konecke - NJ
We use prussicks on guard ropes when climbing and rappelling. The guard ropes are used so we can set up the climbing system on the top of the mountain.
Submitted by: email@example.com
My daughter climbed 150 feet up a cable on the Golden Gate Bridge using the prussick knot she used three of them and survived. She was protesting the cutting of the old growth Redwood Forest in CA. She survived the climb but was jailed for trespassing. Don't try this at home.. Now she's a lawyer.
Submitted by: hans
Is gut! Ya, is gut!
Submitted by: Robert
I used the prussick as a backup for my rappelling. Once, the rapel failed and my prussick caught me. Then the dirty whore broke and I fell 23 feet.
Submitted by: js
friction in this not can stress rope.
small rope knotted on big rope better.
Submitted by: marc peace
Climbers have used this knot for years, it was replaced by ascenders.
Submitted by: firstname.lastname@example.org
There are four types of prussic used in climbing: The original prussic (shown), french prossic, klemhiest, bachman. There are others but I can't remember there names. If you fell during a climb onto a prussic 6 inches would generate enough stress and heat to melt through the rope!!! The moral of the story is not to fall onto a prussic!
Submitted by: email@example.com
that qould not be a taut line hitch it would have to go over on the other side.
Submitted by: Kevin Southerland
Prusik is spelled with 1 (s) and no (c). It is used as a hitch to pull or grab on to a larger diameter rope. A piece of 8mm cordage around 5' long formed into a loop by tying a double overhand bend (dbl fisherman's knot) works well with 1/2" lifeline.
Submitted by: shaun
how do you do it on trees to climb
Submitted by: nick the tree climber
i use this all the time to ascend ropes that i put high up in the trees. ...knot questions??? firstname.lastname@example.org
Submitted by: Dan Lehman
Yes, please heed Kevin Sutherland's correction to spelling--it is 'Prusik',
a person's name. Also, the knot is properly formed only if the ends are
joined, e.g., into a bowline or other loopknot, or as a bend (forming a
loop into which some other attachment will be made). (Hence, what
you show IS more aptly called a "double lark's head" or "...girth hitch".)
The behavior of this knot depends one several factors: the relative
diameters of the rope and hitched-to object (maybe another rope);
the nature of the object (laid rope vs. braided; rope vs. solid object);
the type of rope used (soft vs. stiff, slick vs. frictive), and the number
of wraps used in the knot. A good rope to try is one of the marine
laid poly combo ropes (polyester-wrapped polypropylene), which give
the supple springiness of the core fiber polypropylene with the good
surface characteristics (heat & abrasion resistance) of polyester!?
Submitted by: Brad Locke
Were tying knots in our outdoor pursuits class and this one seems to be a pain in the a***, i think taut line hitch is much more useful. But hey, what do i know?
Submitted by: Jerry Oneal
I use two Prusik knots as lanyards/foot placement loops to ascend main rope for tree work /step ladder type motion. As weight is transfered one to the other slide the non load bearing Prusik higher & so on. It's called "Texas Inchworm Method" as illustrated in "Rappelling" 2nd Edition by Tom Martin. Also, I use a weighted fishing line to throw or sling-shot over the highest limb, then heaver poly twine, then pull the main heavier rope thru. Sometimes repeated up in tree to go higer. One end of main rope (tied or carabined to the harness)is fed 2x thru my descender (fig.8)which is not attached to the harness, so when I get up to the top I don't have to pull the entire length of main rope and feed it thru the fig8; 2x, up in the tree, usually tired after all that. Just slide it over the crotch to become the braking end,& reattach to center harness, get it? Yes, it's a lil' slow goin up but I can catch my breath, be safe and enjoy.If I decide to attach fig8 to the side of harness as a redundancy goin up, it's wise to keep feeding (non-bearing bite of rope) thru the fig 8, since braking(if necces)can be quickly & easily accomplished. I also use a lanyard attached to the harness going around the tree when poss. as 3rd redundancy and to prevent gravity from moving me all around. Sometimes a 3rd prusik to just hang to operate saw. That is attached to center of belt,or harness. I would be interested in learning a quicker yet safe method if anyone knows. I found and will share a neat website for knots, & all outdoor adventurers www.spadout.com
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