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Old 25-11-2013, 14:15   #46
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Re: Rope - Chain Splice

With regard to chafe at the chain/rode interface.
I have used plastic heat shrink around 16mm [5/8"] 3 strand nylon.
I pass the end of the rode through the heat shrink [approximate length of heat shrink is about 3 x dia] and 'shrink' it in place approx 500mm from the end of the rode [for this diameter of line this gives plenty of length for the splice] .
I then pass the heat shrunk nylon thru the chain.
The centre of the heat shrink sits in the middle of the end link. I then do a ['close'] standard eye splice with never less than 7 wraps. 'note' I do not unlay the rode until it is thru the link as I believe it is stronger [the reason spiral winding in any medium exists in the first place]
The chain was short link 8mm [5/16"] x 20mts, the rode was 16mm [5/8"] x 30mts. A bridle [length of bridle = beam of boat approx] was used at all times.
The boat was 3 ton x 40' power cat.
A swivel was used at the anchor/chain join which isn't ideal but still helped with 'twist' a little.
A swivel [with shackles etc] at the rode/chain join won't go around a standard gypsy with any 'elegance'.
As mentioned by others, the splice was continually inspected but after 3 years was still fine with zero chafe.
I haven't tried the '2 strands thru one side of the link and the other from the other side method' but the benefit I see is a smaller more compact splice and with each strand taking some of the chafe load as against passing the whole rode thru the link where it looks as though only 2 strands take most of the chafe load. It becomes a mute point if heat shrink is used.
Hope this is of use.
regards to all.
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Old 25-11-2013, 14:25   #47
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Re: Rope - Chain Splice

Further to 3 strand rope 'unravelling' at the link problem.
With some 'soft' rope [be it nylon or otherwise] the strands will 'unlay' very easily.
One can only try to continously 'relay' [twist back in the original direction] each strand as tight as possible as it is being worked. This does work, although it is annoying having to do it.
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Old 25-11-2013, 17:13   #48
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Re: Rope - Chain Splice

We need more pictures...chain to rope splice, this is what I use.

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Old 25-11-2013, 21:37   #49
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Re: Rope - Chain Splice

Another little 'trick' to increase holding power, especially for boats where the anchor winch is a few metres from the bow roller.
Use 1/2" or even heavier chain for the first few metres between the anchor and anchor winch.
For catamarans that are swinging around madly even with a bridle, tie a heavy weight or even a strong steel bucket at the junction of the bridle and the rode.
In a mono if you are in a rolling anchorage lower a strong steel bucket [the chinese S/S buckets are as cheap as chips] on about 6' of line [so the bucket is well clear of the turn of the bilge from a sheet winch on either side and the roll will stop just about instantly.
I have done this on a 40' power boat and everyone started eating and drinking again.
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Old 26-11-2013, 05:26   #50
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Re: Rope - Chain Splice

(Belated) Greetings and welcome aboard the CF, Bob Oram.
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"

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