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shu2kill
Jul 24, 2008, 9:12 PM
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hey, i want to know how to tie the load releasable hitch, or knot, the guy in the video mentions on second 30.
http://mx.youtube.com/watch?v=84IoNZnAOGc
do you know how to do it??
thanx!!
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acorneau
Jul 24, 2008, 9:28 PM
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He says he's using a Radium Release hitch, but it looks like he's really using a modified mariner's hitch.
An RRH uses a Munter hitch...
(This post was edited by acorneau on Jul 25, 2008, 2:16 PM)
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sungam
Jul 24, 2008, 9:40 PM
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so simple!
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patmay81
Jul 24, 2008, 9:58 PM
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actually that drawing makes it look way more complicated than it should be. its basically showing a munter hitch with a "slippery knot" and an overhand back up (i think). I cant say about the utube video- i never take climbing instructions from utube, or any web based source open to posts from everyone.
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majid_sabet
Jul 24, 2008, 10:18 PM
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1-it is made of 8-10 meter of 8 mm cord
2- locking biners must be used
3- munter side stays with the anchor or faces the anchor
4-min three wraps of cord between the two biners
5-min one more LRH should be near by
6-min distance from RLH to the edge is 2.5 meter
7-two prusiks must be attached when LRH is in used.
8- and bunch of other stuff which you guys do not need to know
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epoch
Moderator
Jul 24, 2008, 10:31 PM
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majid_sabet wrote: 1-it is made of 8-10 meter of 8 mm cord 2- locking biners must be used 3- munter side stays with the anchor or faces the anchor 4-min three wraps of cord between the two biners 5-min one more LRH should be near by 6-min distance from RLH to the edge is 2.5 meter 7-two prusiks must be attached when LRH is in used. 8- and bunch of other stuff which you guys do not need to know
If it's important enough for you to list it, then why is it that we "do not need to know"? It's on your list, therefore it must be something worthwhile.
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sungam
Jul 24, 2008, 10:38 PM
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epoch wrote: majid_sabet wrote: 1-it is made of 8-10 meter of 8 mm cord 2- locking biners must be used 3- munter side stays with the anchor or faces the anchor 4-min three wraps of cord between the two biners 5-min one more LRH should be near by 6-min distance from RLH to the edge is 2.5 meter 7-two prusiks must be attached when LRH is in used. 8- and bunch of other stuff which you guys do not need to know If it's important enough for you to list it, then why is it that we "do not need to know"? It's on your list, therefore it must be something worthwhile.
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majid_sabet
Jul 24, 2008, 10:54 PM
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epoch wrote: majid_sabet wrote: 1-it is made of 8-10 meter of 8 mm cord 2- locking biners must be used 3- munter side stays with the anchor or faces the anchor 4-min three wraps of cord between the two biners 5-min one more LRH should be near by 6-min distance from RLH to the edge is 2.5 meter 7-two prusiks must be attached when LRH is in used. 8- and bunch of other stuff which you guys do not need to know If it's important enough for you to list it, then why is it that we "do not need to know"? It's on your list, therefore it must be something worthwhile.
you guys never tell what you like to know so how am I suppose to guess ?
I mean RLH has few applications in climbing and most climbers are not aware of it or how to use it but, it is in the heart of mountain rescue rigging. RLH is heavily in use when passing a knot or adding ropes during long lowering or when belay accidentally freezes during shock load. It is basically a combination of a 4:1+ mechanical advantages build-in with a belay.
Anyway, a Canadian rescuer by the name of Kirk from BC perfected it and it is currently an standard rig in mountain rescue operation in North America.
(This post was edited by majid_sabet on Jul 24, 2008, 11:00 PM)
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patmay81
Jul 24, 2008, 10:57 PM
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no, i like the way i said it better
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shu2kill
Jul 25, 2008, 12:58 AM
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thanx, i get it now.
so, can it be tied with tubular webbing??
thanx!!
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binrat
Jul 25, 2008, 1:29 AM
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It could be tied with webbing, but I wouldn't do it. I had the chance to drop test it tied with webbing in June. The webbing welded itself together and once you released the hitch it could not be used again.
Stick with 8 mm cord.
binrat
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socalclimber
Jul 25, 2008, 2:52 AM
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shu2kill wrote: thanx, i get it now. so, can it be tied with tubular webbing?? thanx!!
You can, but it will be a cluster fuck. Stick with cord. Majid's right, there a some basic variations to this, but it is at the heart of all rescue systems.
It does have uses in climbing, such as belay escapes, docking haul bags, rigging releaseable top rope systems (more of a guide thing) etc. The Munter/Mule is my choice, but it really doesn't matter. You might also look up the mariner.
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majid_sabet
Jul 25, 2008, 4:47 AM
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shu2kill wrote: thanx, i get it now. so, can it be tied with tubular webbing?? thanx!!
few commercial RLH are made from webbing but those are one fit all and are used by fire rescue teams who are not in to complex rigging.
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majid_sabet
Jul 25, 2008, 5:06 AM
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[URL=http://imageshack.us]
[URL=http://imageshack.us]
[URL=http://imageshack.us]
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snoboy
Sep 8, 2009, 11:08 PM
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majid_sabet wrote: majid_sabet wrote: 1-it is made of 8-10 meter of 8 mm cord 2- locking biners must be used 3- munter side stays with the anchor or faces the anchor 4-min three wraps of cord between the two biners 5-min one more LRH should be near by 6-min distance from RLH to the edge is 2.5 meter 7-two prusiks must be attached when LRH is in used. 8- and bunch of other stuff which you guys do not need to know It is basically a combination of a 4:1+ mechanical advantages build-in with a belay.
Actually it's a 3:1.
point# 5 - depends on you're usage. You don't always need a second one.
point#6 - again, depends on your usage.
point#7 - Uhh, no. If you are using it for a rescue belay, yes, but there are lots of situations to use a RRH where there is only one prussik used... even zero prusiks in some cases.
(This post was edited by snoboy on Sep 8, 2009, 11:29 PM)
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epoch
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Sep 8, 2009, 11:27 PM
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snoboy wrote: majid_sabet wrote: epoch wrote: majid_sabet wrote: 1-it is made of 8-10 meter of 8 mm cord 2- locking biners must be used 3- munter side stays with the anchor or faces the anchor 4-min three wraps of cord between the two biners 5-min one more LRH should be near by 6-min distance from RLH to the edge is 2.5 meter 7-two prusiks must be attached when LRH is in used. 8- and bunch of other stuff which you guys do not need to know It is basically a combination of a 4:1+ mechanical advantages build-in with a belay. Actually it's a 3:1. point# 5 - depends on you're usage. You don't always need a second one. point#6 - again, depends on your usage. point#7 - Uhh, no. If you are using it for a rescue belay, yes, but there are lots of situations to use a RRH where there is only one prussik used... even zero prusiks in some cases.
The cheesetittery in the above quote string is disturbing. Especially since I was misquoted.
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snoboy
Sep 8, 2009, 11:36 PM
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epoch wrote: I was misquoted.
Indeed!. Apologies, fixed!
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majid_sabet
Sep 9, 2009, 12:06 AM
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snoboy wrote: majid_sabet wrote: majid_sabet wrote: 1-it is made of 8-10 meter of 8 mm cord 2- locking biners must be used 3- munter side stays with the anchor or faces the anchor 4-min three wraps of cord between the two biners 5-min one more LRH should be near by 6-min distance from RLH to the edge is 2.5 meter 7-two prusiks must be attached when LRH is in used. 8- and bunch of other stuff which you guys do not need to know It is basically a combination of a 4:1+ mechanical advantages build-in with a belay. Actually it's a 3:1. point# 5 - depends on you're usage. You don't always need a second one. point#6 - again, depends on your usage. point#7 - Uhh, no. If you are using it for a rescue belay, yes, but there are lots of situations to use a RRH where there is only one prussik used... even zero prusiks in some cases.
Zero !!
ok
what do you got in mind ?
Gibbs or jumar ?
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USnavy
Sep 9, 2009, 8:11 AM
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Dont listen to MAJIDOIT!. His advise will get you killed. In fact he just started climbing but a month or so back!
(This post was edited by USnavy on Sep 9, 2009, 8:12 AM)
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snoboy
Sep 9, 2009, 5:41 PM
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majid_sabet wrote: Zero !! ok what do you got in mind ?
Releasable redirect pulley...
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shimanilami
Sep 9, 2009, 6:05 PM
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USnavy wrote: Dont listen to MAJIDOIT!. His advise will get you killed. In fact he just started climbing but a month or so back!
Talk about irony.
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majid_sabet
Sep 9, 2009, 6:06 PM
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snoboy wrote: majid_sabet wrote: Zero !! ok what do you got in mind ? Releasable redirect pulley...
alright
show a picture or draw something cause this is not making any sense.
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sungam
Sep 9, 2009, 6:13 PM
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shimanilami wrote: USnavy wrote: Dont listen to MAJIDOIT!. His advise will get you killed. In fact he just started climbing but a month or so back! Talk about irony.
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adatesman
Sep 9, 2009, 6:45 PM
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binrat
Sep 9, 2009, 7:09 PM
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adatesman wrote: USnavy wrote: Dont listen to MAJIDOIT!. His advise will get you killed. In fact he just started climbing but a month or so back! From the sound of it, he's got a couple months experience on you then.  
Ouch, so brutally true
binrat
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