Eye splicing 3/8th dyneema - SailNet Community

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Old 08-20-2013
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Eye splicing 3/8th dyneema

I just boight my first sailboat this year. I've been replacing old dirty lines etc.. came across some dyneema double braid (New Endland XLS) line on sale. So I bought 30ft to replace line on boom vang. My old line had an eye splice in one end. So I bought the sampson ropes eye splicing tool and tried to follow directions and watched a couple of youtube videos. Once I got the core out and all marked up I got to the part where you insert the core back into cover. No matter what I did I could only get a couple of inches of core into the cover. Is this line difficult to work with? Or was I just not doing something right?

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Old 08-20-2013
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Re: Eye splicing 3/8th dyneema

I'm confused about which line you are splicing, and it is very important to know the line type to do the right splice.

Is it dyneema single braid (like Samson Amsteel)? You would do a brummel splice

Is it Samson XLS (no dyneema content at all, this is a double braid)? This uses a core to cover splice and the instructions that came with your splicing kit are okay.

Is it Samson XLS Extra (some dyneema in the core)? This requires a class 2, core to core splice. You can get instructions from the Samson website.

There aren't any NE Ropes that have a name like XLS. If it really has a dyneema core then you need to do a class 2 splice.
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Re: Eye splicing 3/8th dyneema

If this is a dyneema cored double braid, you will have to do the Class II eye splice. The instructions that came with your splicing kit are for class I and will not work. You will have to do a core-to-core splice. Don't use the printed instructions from the Samson site however, they are confusing and missing steps. DO use their YouTube video..this one works and is correct. You may run into a couple of problems do to the cover being a little tighter than the regular NER Sta-set double braid. Extracting the core will be a little more challenging because of this and also when you get to the step where you are milking the cover back over the crossover point. When I was completing a splice this weekend (3/8 samson), I ended up putting a large fid through the eye of the splice to get more leverage to get the cover over the core at the crossover point. But with a few good tugs I was able to get it moving. ALSO: don't try and bury the cover back into the splice like you would like Class I. It doesn't add anything to the strength of the splice and it can be a PITA. Simply whip and trim the remaining cover.

Good luck!


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Re: Eye splicing 3/8th dyneema

I checked my reciept and I stand corrected. It is sampson xls

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Re: Eye splicing 3/8th dyneema

Samson XLS is works with the class 1 instructions that came with your kit.

Do you have a photo of what stage the splice is in when you get stuck? Chances are that the core to cover transition is not very smooth and isn't fitting back into the core. Reworking it to make it smooth and remove any bumps will help it through.

XLS is a pretty good line to try your first splice on, it is pretty forgiving and easy to work with.
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