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Old 03-11-2015, 12:25   #31
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

STEP 6

All that is left is to tuck the working ends through the standing ones.

- I think it may help strength if you tuck the end into its corresponding standing portion rather than the other one (Evans touched on this) and this is easy with the black marks on the tape
- Separate the taped standing ends and holding the button give the shackle a little shake to see where the lines fall naturally
- Find a suitable spot to start feeding the working end through its matching standing portion
- Starting as close as you can to the Button's base, open the standing end cleanly between strands with a marlin spike, then remove it and and insert the fid (with line inserted when it reaches), bunching up the standing line to increase its diameter as you push it though
- Continue well past the length of working line, as the outer casing shortens a bit as it encase the inner portion:





- Pull the fid with working line through and untape the end
- Milk the outer casing down smoothly and the end will disappear into its centre
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Old 03-11-2015, 12:30   #32
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

STEP 7

Repeat with the other end.
That's it, you're done .

This is how it ends up looking:


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Old 03-11-2015, 12:32   #33
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

The finished shackle closed:


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Old 03-11-2015, 12:34   #34
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

Quote:
Originally Posted by Seaworthy Lass View Post
The finished shackle closed:


Nicely done.

Wonder how much to buy?

Set up a production in Greece........
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Old 03-11-2015, 12:37   #35
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

And another view of this beauty.

It is almost a pity to loop this work of art through chain and submerge it .
Allen, Evans and Brion - fantastic work developing this soft shackle!

SWL


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Old 03-11-2015, 12:39   #36
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

SWL:

The soft shackles have already begun in the cruising community, the "radiation" is slow, but builds exponentially. We've been using them for a few years, now, and so have friends, and we see them on other boats, as well.

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Old 03-11-2015, 17:55   #37
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

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Nicely done.

Wonder how much to buy?

Set up a production in Greece........
I have seen them for about $25 each, though none are using the stronger shackle. Most are selling either the 'better' or original. Given they contain about $1 worth of materials it's hard to justify buying them.
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Old 03-11-2015, 19:24   #38
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

Quote:
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I have seen them for about $25 each, though none are using the stronger shackle. Most are selling either the 'better' or original. Given they contain about $1 worth of materials it's hard to justify buying them.
Depends where you buy your material. Best price in Aus seems to be about $7 per metre, so your looking at around $10 for your 1.4m.
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Old 03-11-2015, 20:39   #39
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

Quote:
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I am considering trying a button on a 'better' construction however. Do you know if any testing has been done with this configuration?
Yes, I tested that . . . if you do not bury the tails then it is the same strength as the regular 'better' diamond construction.
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Old 03-11-2015, 20:41   #40
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

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And another view of this beauty.
I hope you have enough 'unburied' length left to stick thru your chain!
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Old 03-11-2015, 21:31   #41
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

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I hope you have enough 'unburied' length left to stick thru your chain!
I shoved it through to check .
Even with the snubber passing through and then opening the loop reasonably widely to for the stopper, there is a few cm to spare.

I would not want it any shorter though. That is the reason I commented to Stumble that there was zero room left here for a central bury.

I debated making the bury shorter - 20 x line diameter would probably have been enough, but with this being only 6mm line I wanted max strength.

SWL
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Old 03-11-2015, 23:12   #42
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

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Originally Posted by estarzinger View Post
Yes, I tested that . . . if you do not bury the tails then it is the same strength as the regular 'better' diamond construction.
What about making a 'better' design with a diamond knot, but back splicing the ends before tieing the knot?
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Old 03-11-2015, 23:19   #43
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

Quote:
Originally Posted by StuM View Post
Depends where you buy your material. Best price in Aus seems to be about $7 per metre, so your looking at around $10 for your 1.4m.
A couple of years ago in Australia, 6mm soft shackles were selling for around $40 - $50. Have looked at the price of them recently?
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Old 03-11-2015, 23:29   #44
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

Quote:
Originally Posted by Stumble View Post
What about making a 'better' design with a diamond knot, but back splicing the ends before tieing the knot?
Wouldn't that result in a monster sized shackle?

Evans came up with an "Improved" shackle a while back, where he back spliced the ends leaving a small loop, then pulled the standing ends through and tied an overhand. See his load testing pdf for details:
Load testing
There is apparently a risk of slippage of the stopper though.

SWL
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Old 03-11-2015, 23:43   #45
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Re: Instructions for Tying the High Strength Soft Shackle & Button Knot

Quote:
Originally Posted by Stumble View Post
Seaworthy,

Thanks for all the work. I am sticking with the improved version just because I don't like the double legs coming down from a usage point. Though obviously these are stronger, to me they just look messy.

I am considering trying a button on a 'better' construction however. Do you know if any testing has been done with this configuration?
Hi Stumble
I will make one up today. Evans' comment that it has roughly the same strength as a "Better" shackle is appealing.

I will make the bury about 10 x line diameter (50mm for the 5mm line I will use). I guess it could be less if a locking stitch is used, but I want to keep it simple.

What shall we call it?

We already have:
- Classic/ColligoMarine/Original (it has never been named properly)
- Kohlhoff
- Improved
- Better
- High Strength

This is midway between a Better and High Strength design.

The "Button"? Its predominant feature is that it does not have a tatty tail sticking out of the stopper like the Better one does.
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