I don't know that calculator was correct but the kn went down as you changed the rope length longer.Eric,
Nah
That would be a 10’ rope where you were standing 2’ above your tether....falling 12’.
When I plugged those same variables into the calculator I used, I only got 2.9kN. Fall factor is only 0.19 with such a long rope and only falling 2 feet.I don't know that calculator was correct but the kn went down as you changed the rope length longer.
I found a couple other calculators. They showed a little over 2kn. What length of rope were you putting in. I would think even if your rope was 50 feet the only length you can calculate in is between your saddle and the tree Is it's 10 feet of rope the fall factor would be .2. Your not using ten feet of rope though. Maybe 2.5 feet of bridge and another two feet at most between the bridge and tree. Your going to spread that force on some of the rope going around the tree but not much of it. Of course the way our saddles are made we will get a squeeze that will absorb more shock than a belay loop on a climbing harness using our hips as shock absorbers. I don't know what the deal was with the other calculator but we should be good.When I plugged those same variables into the calculator I used, I only got 2.9kN. Fall factor is only 0.19 with such a long rope and only falling 2 feet.
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Right, plus the swing factor. It's not really a straight drop. Probably the biggest realistic risk would be for guys using a platform like the XOP and stand straight up to turn 180 degrees and shoot to the weak hand side. Since the ripe would have slack, at that very moment, if the platform gave way you'd have some vertical drop.I found a couple other calculators. They showed a little over 2kn. What length of rope were you putting in. I would think even if your rope was 50 feet the only length you can calculate in is between your saddle and the tree Is it's 10 feet of rope the fall factor would be .2. Your not using ten feet of rope though. Maybe 2.5 feet of bridge and another two feet at most between the bridge and tree. Your going to spread that force on some of the rope going around the tree but not much of it. Of course the way our saddles are made we will get a squeeze that will absorb more shock than a belay loop on a climbing harness using our hips as shock absorbers. I don't know what the deal was with the other calculator but we should be good.
I agree with the limited usefulness of a ropeman on a fixed tether. I've made the same comment on this forum many times. However, on a LB there's nothing better. I use it every single hunt. It's a critical piece of kit for me.
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OKSB220
What you DONT want to do is what is in that YouTube video...
He sets the tether up high and then climbs all the way down the stick and Aider. Then raises the stick and climbs all the way to the top without taking up the slack.
That is seriously dangerous
Some things in life are necessary risks, driving a car for example. Climbing a tree unsafe isnt one of them.OK
but I can tell diysportsman, like me has climbed with sticks for years. When using a set of sticks we climb to the top of the stick and linesman off....only to be able to use both hands. Its the only time we are tethered on sticks....so we think nothing of our one-stick tether when on a climbing stick because we trust our stick and ourselves.
Like I said lightweight/speed vs safety.
Want to avoid all danger, stay home
jesus, call the 1000s of guys in climbers before you talk to me about how I climb on climbing sticks. I work on ladders 5 days a week, climb sticks the other two.Some things in life are necessary risks, driving a car for example. Climbing a tree unsafe isnt one of them.
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ok, I'm always safe too. You can tell because I'm alive and posting. When I don't respond, its fishing season lolI’ve done plenty of diy. But the core of my system is always textbook safe.
There’s always an easy way to do it right
naw I respect jsd and know he knows more than I about this stuff. Hes just too worriesomeWell, hopefully this doesn't progress into a fight. I think everyone here is concerned about the safety of all of our fellow saddle hunters. I just want to be sure I am safe with the ropeman and it sounds like keeping slack out of the line is the best practice. I felt extremely safe Wed with my ropeman climbing on an aider and the one handed operation is a big seller for me.
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