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Ropeman 1 Failure

Nutterbuster said:
I don't wanna stir worms, but I do just want to stick this info out there while I have it. This is a link to the oft-referenced article about how a ropeman 1 fails, and a screenshot of the most relevant page I found.

http://www.hse.gov.uk/research/crr_pdf/2001/crr01364.pdf

Not saying use it or don't use it. Just putting the info out while it's fresh on my mind. The horse is getting flogged to ribbons in a Facebook post right now.
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Thanks...this made me put a longer prussic cord above my ropeman1's. That way if there is a small accident and the ropeman severs the tether then I have the longer prussic cord as backup.
 
I just want people to have full disclosure that the ropeman is not meant for what we use it for. It's not the SH regulars that concern me as SH continues to go mainstream. The guy that stopped by for a minute using 550 cord for a bridge....yeah...is he even alive today?
 
elk yinzer said:
I just want people to have full disclosure that the ropeman is not meant for what we use it for. It's not the SH regulars that concern me as SH continues to go mainstream. The guy that stopped by for a minute using 550 cord for a bridge....yeah...is he even alive today?
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Exactly....and it's being resold for the application by several sh suppliers....
 
All I can say is shizzl rope slider. I took my time and put my system together very carefully, as I had already taken a significant fall a few years back. The ropeman is designed to be used with a back up hitch.

If you look at what arborists and climbers use, we ought to be using the same. A little more expensive, maybe a little more time consuming but you cannot put a price on coming home to your loved ones. If you cannot afford the better mechanical gear, just stick with hitches. Tried and true. Wash your ropes and change out your ropes, tethers etc when you see any where. Pretty simple if you do not over think it..
 
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elk yinzer said:
I just want people to have full disclosure that the ropeman is not meant for what we use it for. It's not the SH regulars that concern me as SH continues to go mainstream. The guy that stopped by for a minute using 550 cord for a bridge....yeah...is he even alive today?
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I think we scared the crap out of him enough for him to question the decision... at least I hope we did.

As for the ropeman1, I trust it for me... unequivocally.
I don’t allow even a foot of slack in my system, much less 2 or 3.


................................................................................All climbing methods, platforms, saddle designs, and/or use of materials possibly mentioned in the post above are not peer reviewed for safety, and should only be used as an example of my own method. Do your own research and testing before becoming confident in any DIY solution to support your life.
-IkemanTx
 
IkemanTX said:
I think we scared the crap out of him enough for him to question the decision... at least I hope we did.

As for the ropeman1, I trust it for me... unequivocally.
I don’t allow even a foot of slack in my system, much less 2 or 3.


................................................................................All climbing methods, platforms, saddle designs, and/or use of materials possibly mentioned in the post above are not peer reviewed for safety, and should only be used as an example of my own method. Do your own research and testing before becoming confident in any DIY solution to support your life.
-IkemanTx
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Your going to have to add to your disclaimer after that! Lol


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bj139 said:
I had decided on the same setup. I am still learning. How long should the rope for my lineman's belt be?
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That would depend a lot on the average tree size you would hunt. I think mine is 8 foot which may be a bit long for some guys taste but I tend to hunt around some relatively large trees. I tend to be in the it's better to have it and not need it camp if you know what I mean. It also depends on whether I'm climbing on sticks, bolts, or Spurs. When I'm on Spurs I use a two-in-one which is 12 ft long so I can go around limbs without unhooking
 
denots said:
That would depend a lot on the average tree size you would hunt. I think mine is 8 foot which may be a bit long for some guys taste but I tend to hunt around some relatively large trees. I tend to be in the it's better to have it and not need it camp if you know what I mean. It also depends on whether I'm climbing on sticks, bolts, or Spurs. When I'm on Spurs I use a two-in-one which is 12 ft long so I can go around limbs without unhooking
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Thanks for replying. On DIY sportsmans video, it went from one side up around his neck them back down to his knee. When I measured this on me it was 8 feet so I cut that and it seems OK. I'm sure most people here fine tuned the length as they climbed more. Basic information like this for noobies seems hard to find even here. I used a prusik and it worked OK when I climbed my first stick a few hours ago. I am not sure if I should get a Ropeman 1 or 2. I see where it might be useful. Baby steps for now. Two sticks tomorrow. :)
 
I really enjoy reading about safety and the gear we choose to use. I have confidence in the ropeman because of 1 fact...

Of everything I've read, there is not a single post of anyone expierienceing a failure with a ropeman 1 on this forum. If you have had one please let me know.

Someone once said...the proof is in the pudding.
 
dalton916 said:
3.5 feet is how far a 200 pound person has to fall to generate 900lbs. A 10' fall will generate 2200lbs.....
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I’m sorry but these numbers sound way off. You need to take into account impact force. Not trying to be jerk I just think there is a serious misunderstanding on this topic.
 
BenG said:
I’m sorry but these numbers sound way off. You need to take into account impact force. Not trying to be jerk I just think there is a serious misunderstanding on this topic.
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Please elaborate- Some more good information on this topic is welcome. Pointing out the serious misunderstanding is well and good, but anything you can do to clarify some of it will be extremely helpful for folks!
 
Has anyone done research on the Kong Duck or CT RollNLock having this same problem. These have a different design than the Ropeman. Richard Mumford has done some testing on the RollNLock. It's not fall force testing rather breaking strength testing. But at least it's some testing that we can observe. For those who do not know who Richard is, he's a prominent figure and innovator in the arborist community. Anyways, he say's the RollNLock is a beast and shows some pretty incredible testing on the strength of that thing. Just search his YouTube page for RollNLock. Here is a video where he compares it to the Duck.

 
BenG said:
I’m sorry but these numbers sound way off. You need to take into account impact force. Not trying to be jerk I just think there is a serious misunderstanding on this topic.
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Right - not only that but static vs dynamic rope also makes a big difference. What's the rope elongation? What's the fall factor? That wasn't mentioned in the calculation.

....and really in practice, who has the amount of slack that would be necessary to generate the kind of force in that test anyway? Serious question. Anyone rolling with 5+ feet of slack in their lineman's belt, lifeline or tether? Yea me neither...
 
ThePreBanMan said:
Right - not only that but static vs dynamic rope also makes a big difference. What's the rope elongation? What's the fall factor? That wasn't mentioned in the calculation.

....and really in practice, who has the amount of slack that would be necessary to generate the kind of force in that test anyway? Serious question. Anyone rolling with 5+ feet of slack in their lineman's belt, lifeline or tether? Yea me neither...
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It appears a large majority of folks here are using static rope. This forum is also no stranger to 300 pound men. And finally, I have witnessed in person, through videos posted here, and through written posts here that folks introduce more than a couple feet of slack in their tether system.

What I'm getting at here, is that the "worst case scenario" is not something like bigfoot. It's more like a black coyote. Just because you don't see them every day - doesn't mean they don't exist.
 
I'm surprised no one has mentioned that a fall above 10kn is extremely dangerous. Anything around 10kn or above could cause internal injuries and has a chance of breaking your back. So you might not hit the deck. You might be hanging there paralyzed then die slowly from internal injuries. Just read up on this and make good decisions. For now, I'm staying away from any method that involves tethering into the tree. Unless it's SRT, which I still think by far is the safest method.
 
I like your point about seat belts. I don't always wear mine either
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I like to think people who can listen to a vehicles annoying beeping because the belt isn't buckled are a special kind of insane, never mind the increased risk of great bodily harm and/or death :p
 
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