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4000lb slider versus water knot

pesqimon

pesqimon

Well-Known Member
Joined
Apr 25, 2018
Messages
2,325
Location
Massachusetts
All else being equal, with a tubular webbing bridge, what would handle a fall better: bridge attached with water knots or attached with 4000lb sliders?

Tubular webbing is 4400lbs, but water knot cuts this to 70% on the high end. So reduced to about 3000lbs.

Still it seems to me that the dynamic properties of the webbing would be better than the buckle.

Any opinions on the matter?

For what it is worth I am presently running the sliders on my webbing bridge.
 
I'm interested on this as well. I just ordered some sliders and plan to replace amsteel bridge with adjustable tubular.

In the back of my mind, any designed safety factor is already in that 4000 lb number for the sliders. The reduction of load for a knot could be subjective and not as accurate based on many variables. I think that dynamically the webbing might win, but overall static load could go to the sliders. In any case a high dynamic load could break something else that wasn't thought of easily. I would think for a bridge application you would desire the safety factor of the higher static load over a low probability dynamic load.

I'm not an expert by any means. I'd like to hear other opinions too.
 
I just split the difference before reading this and tied one end and used a slider on the other. Keeping it adjustable for a little while to fine tune my desired bridge length. Im set at 23" currently.
 
If you are really worried about some aspect of a tubular rig failing, then make a secondary bridge of Amsteel. Make the secondary bridge an inch or so longer than the webbing bridge so the tether carabiner rides on the webbing during normal use but if the webbing or slider were to fail the Amsteel will become the backup. You won't even know the Amsteel is there...unless you need it.
 
Allegheny Tom said:
If you are really worried about some aspect of a tubular rig failing, then make a secondary bridge of Amsteel. Make the secondary bridge an inch or so longer than the webbing bridge so the tether carabiner rides on the webbing during normal use but if the webbing or slider were to fail the Amsteel will become the backup. You won't even know the Amsteel is there...unless you need it.
Click to expand...
This is what I did. I left the stock Amstel in place and made an adjustable webbing bridge with the sliders.
 
I’m using slide on each side with sewn ends to prevent slip.
They have a 6” tag and haven’t moved on my Kite with 6 sits.
 
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