Lignotuber
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swivel loading
- Thread starter Lignotuber
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Lignotuber
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I didn't see anything in the user manual. Any issues loading swivels in these manners other than the obvious that it won't swivel if MRS clipped back to bottom of swivel? idk seems super safe enough but not sure if there's any other factors to be aware of. Not looking for alternate suggestions. Thanks
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Lignotuber
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Perhaps, I've seen other people post photos in this configuration so just assumed the general consensus was that it's ok. Don't really need to run it like this but I like having the option if it's safe. Also DMM owners manuals for similar swivels show multiple loading directions sort of implying it would be ok but not specifying loading multiple directions at the same time.
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A simple force diagram shows that configuration side loads the swivel.
The resultant of the forces on the lower half of the swivel (R) and the force on the upper half do not align with the axis of the swivel. (I used 2 for full body weight, 1 for half body weight, assuming each line is supporting half your weight.) That may significantly affect the load capacity and longevity of the swivel.
The resultant of the forces on the lower half of the swivel (R) and the force on the upper half do not align with the axis of the swivel. (I used 2 for full body weight, 1 for half body weight, assuming each line is supporting half your weight.) That may significantly affect the load capacity and longevity of the swivel.
Chris Schultz
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@Lignotuber what climbing system are you using here? I don’t see the tail of your rope either….. so I’m not sure how you move up/down on the line….. anyways, I wonder if you can/could configure it differently to allow full use of the swivel?…… Based on the photo you included, I’d be using a ring, and saving the swivel for swivel duties….
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ATH
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- Findlay, Ohio
How about a Camp Gyro instead?
Lignotuber
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I'm guessing you're doing this to avoid having your termination knot (fisherman?) interfere with the hitch. There are ways around this with the easiest probably being to use a figure 8 knot with a large eye as your termination. That will keep the knot up and out of the way. You can girth the carabiner to the eye and then clip both carabiners into one side of the swivel and gain all the benefits of that.
Another alternative could be to use a figure 8 (the metal kind) as your bridge ring. That gives you two seperate clip in holes risk without any weak points.
Another alternative could be to use a figure 8 (the metal kind) as your bridge ring. That gives you two seperate clip in holes risk without any weak points.
Lignotuber
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I have a rook, exploring simplifying options with what I have and a general interest about the safety since I've seen others do this. Gyro looks sweet though.
Lignotuber
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Not really doing it, just exploring it as an occasional option but yeah that is one of the scenarios where it might apply. Hadn't thought of the figure eight/girth method. Sounds like that might be a little better, with a redirect or small branch I've even had a stitched eye termination knock a friction hitch when clipped to middle becket of hitchclimber or straight to swivel (pretty rare). Also like the idea of having the option to clip my lanyard or tail to the bottom of the swivel as opposed to clipping directly to bridge, having extra rings on there, or an extra bridge. Seems like that configuration wouldn't side load. Idk just curious on thoughts and any research, I mean it's rated to 36kn and I'm only 135lb so a little side loading is probably not a big deal. Maybe over time.
Lignotuber
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Thanks for that Dan, what are your thoughts on clipping a lanyard or tail to just the bottom of the swivel? Seems like that wouldn't side load.
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Lignotuber
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This is just a hitchclimber/Michoacán. I can definitely configure it differently, just curious on thoughts of occasionally loading in this manner or clipping the bottom of the swivel with lanyard or climbing tail. Seems like clipping lanyard or climbing tail wouldn't side load. And clipping the MRS system would side load a bit but probably not a big deal at my 135lbs but might decrease life of the swivel so regular inspections as usual. Yeah I have a ring I can throw on there, just don't like so much hardware/moving peices clipped to my bridge. A shame DMM recalled their smaller swivel options.
Chris Schultz
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When I use my hitchclimber there is only one carabiner going to my bridge….something is off with your configuration I believe.
Lignotuber
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Same here this is just an example, I usually clip the rope back to the middle or top becket of the hc. Very rarely I'll encounter a situation where the termination knot or sewn eye will bump the friction hitch and was exploring this as a potential option to briefly clip to for extra spacing as I've seen other people run it like this. Also as a potential point to clip a lanyard or climbing line tail, seems like that is more favorable as far as any abnormal loading although the forces are surely minimal for me.
southsoundtree
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- Olympia, WA
Life-support is another time not to assume something is okay because you've seen others doing it.
As mentioned, a different knot with a long eye will avoid interference.
