Options for setting a base or canopy SRT anchor

The bunny ears trick that anchor both legs is not a bad idea for redundancy Richard. I'm gonna play around with that. The thing I like about base anchors though is the lowerability. which is lost when you secure the anchor point. I guess it s a trade off of safety factors. Rachels story really got me thinking about my base anchors, and trying to set up simple systems to allow for speedy rescue.
 
macswan said:
Yeah, I am trying to set up systems that are relatively easy to operate for a trained ground creww
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This might have some ideas for you, I really think the Petzle RIG or ID has some great things to offer for ground based rescue. I was using one for an elevator I set up, which was basically the same operation, lowering the guest from the tree after using the elevator to ascend them.
 
Just so people are aware, the RIG will allow a climber to fall if you just let go of the handle while lowering or descending. I have taken a 40 ft fall because of it. Petzl states not to do this in the instructions as well. If the person being lowered happens to bounce the system (flex from the canopy say) it will allow the cam to open causing an uncontrolled fall. The only way to make this setup with the RIG panic prof would be to place a hitch cord above it and have someone mind it. Dont want to see anyone make a horrible mistake. Side note: the ISC D4 can be one handed and also does not have the cam opening issue with a bounce.
 
Simple triple anchor hitch with two half hitches and up I go imediately changing to a canopy anchor...I got work to do...lol see ya in the canopy
 
Fairfield said:
Just so people are aware, the RIG will allow a climber to fall if you just let go of the handle while lowering or descending. I have taken a 40 ft fall because of it. Petzl states not to do this in the instructions as well. If the person being lowered happens to bounce the system (flex from the canopy say) it will allow the cam to open causing an uncontrolled fall. The only way to make this setup with the RIG panic prof would be to place a hitch cord above it and have someone mind it. Dont want to see anyone make a horrible mistake. Side note: the ISC D4 can be one handed and also does not have the cam opening issue with a bounce.
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I been thinking about getting a d4.
 
Fairfield said:
Just so people are aware, the RIG will allow a climber to fall if you just let go of the handle while lowering or descending. I have taken a 40 ft fall because of it. Petzl states . .....
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Can you expound on this and your 40 foot Fall ? Are you saying that it failed or that's just the way it is? I do agree that the ID is a better choice for rescue, I looked into the D4 and went with the ID, at this moment I don't remember exactly why.
 
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Fairfield said:
Just so people are aware, the RIG will allow a climber to fall if you just let go of the handle while lowering or descending. I have taken a 40 ft fall because of it. Petzl states not to do this in the instructions as well. .......
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Well Jim, I asked the question and gave you a good 5 minutes to answer, so I went ahead and ordered the ISC D4 to find out myself.;) :cachetada:.....I am liking this new format and cool icons!!
Anyway, waiting to hear more comments from you, especially about letting go of the handle as I think that would be a failure.
"The automatic return system on the handle limits risks in case of an involuntary action by the user"

There is a spread when it comes to rope size and I'm going on a treewolf.com Costa Rica trip for 2 weeks and we need to have some good rescue options so I think with the RIG, ID and D4 I'll be covered pretty well.
 
LOL sorry, so here is how it happen.

I was descending in free space out of a canopy. I made a quick stop to grab a hanger off to my side, when I did this I did not lock it off (like I should have) and caused a flex in the canopy above with my weight and movement force. At that point it caused a momentary unweighting of the RIG allowing for the cam to open enough to start a free run of the line. This was a complete mistake and fall caused do to my momentary lapse of concentration while on rope. So if you have a rescue to be made and for what ever reason the person lowering freaks and lets go while lowering at a good speed this stands a good chance at happening again. With the D4 I had tried every way possible to make this happen and have never got it to do it. Also the D4 can be used with one hand (massive plus with panky want to be rescuer on the ground lowering you). This all happen not at the fault of the RIG just so its clear. The RIG functioned just as Petzl stated it would if this was to happen. I had used the RIG to that point since it had first come out with no issues, and had also been raised on a Figure 8. So this (for me) comes down to an experienced climber letting his guard down and the snake went for the bite. Should be noted also that a RIG can become unweighted and accidentally when a climber has multiple redirects in the canopy and stands up then sits down. Next time you have a hand full of redirects or even sharp angle redirects keep weighted on the line and grab the line that runs to the anchor. You will notice a massive difference in the amount of load that part of the line is seeing compared to your weight.
 
Fairfield said:
LOL sorry, so here is how it happen.
At that point it caused a momentary unweighting of the RIG allowing for the cam to open enough to start a free run of the line. This was a complete mistake and fall caused do to my momentary lapse of concentration while on rope.
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I am finding that it is not just the "unweighting" that causes the RIG to disengage but the change orientation and subsequent pressure put on the top of the RIG keeping it mis-orientated that will allow it to "free run".

Again, thanks for bringing some of this to my awareness.
 
No problem, also I was going over the use of lowering me to a ground guy today and thought about this as well. When I redirect a few times in the canopy it can be a bit difficult for the person on the ground to lower me due to gained friction in the canopy. With the D4 it is easy to rotate the D4 downward and operate the lowering with control by pushing the cam down with your thumb. Something that is not easily done with the RIG or I'D. Don't get me wrong though with any of these posts, Although I prefer the D4 over the I'D and RIG I am still a fan of both of them as well for other rigging reasons.
 
I have not claimed on the camp yet already I see that I don't like the fact that it won't secure to the line like CT. when using a knee ascender such as a HAAS or SAKA,that becomes important. Otherwise you have to concentrate too hard to make sure that your foot lines up with the path of the knee ascender line. ALso I don't see the rollers as being such a great advantage as there is not that much friction being put on the line.
but perhaps like the zigzag my opinion will change when I use it.
 
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