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best rope for splt tail mainsheet

Printed From: Yachts and Yachting Online
Category: General
Forum Name: Repair & maintenance
Forum Discription: Questions & tips on the subject
URL: http://www.yachtsandyachting.com/forum/forum_posts.asp?TID=5305
Printed Date: 29 Jan 22 at 1:30pm
Software Version: Web Wiz Forums 9.665y - http://www.webwizforums.com


Topic: best rope for splt tail mainsheet
Posted By: timeintheboat
Subject: best rope for splt tail mainsheet
Date Posted: 13 Mar 09 at 7:43pm
On my Lark I'm reverting back to a split tail mainsheet having not really go on with centre bridle sheeting.

I'm happy with dyneema type fidding - can anyone suggest a good sheet as a starting point for making a split tail mainsheet, 7mm I think.

Thanks


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Replies:
Posted By: 600sailor670
Date Posted: 13 Mar 09 at 8:38pm

Marlow are bringing out a new rope called Excel Gemini which has been specially designed for this purpose, it has "twin dyneema sk75 cores which can be tapered and separated" and "dyneema in the cover for good abrasion resistance", and is also 7mm, seems ideal for what you want, however not sure when its comercially available and no idea of price...

hope this helps



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Posted By: BBSCFaithfull
Date Posted: 14 Mar 09 at 11:59pm
If you splice a piece of dyneema inside maffioli then attach the other pieces to it. This would be good.
Hope this helps


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Posted By: Neal_g
Date Posted: 15 Mar 09 at 7:34pm

marlow do exel racing which has a dynemma corre which you can splice into.

but english braids do a rope with twin dynema cores especially for split tail mainsheets most chandlers will keep it i would reckon.



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Posted By: stuarthop
Date Posted: 16 Mar 09 at 9:44am
I'd recomend the English Braids Duel core Dyneema. Its Nice stuff much better than the maffioli sheets. Really really easy to do the split tail yourself or any good chandler/ sail maker should be able to do it for you in about 5 mins.


Posted By: Strawberry
Date Posted: 16 Mar 09 at 9:50am
Where do you normally lead the rope and put the blocks to keep your purchase?

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Posted By: stuarthop
Date Posted: 16 Mar 09 at 1:15pm

On a Lark there isn't really the need to have any extra purchase. On boats like fireballs theres sometimes an extra purchase between the twart and half way along the boom but thats down to personal preference.



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Posted By: timeintheboat
Date Posted: 20 Mar 09 at 8:41pm
Marlow Excel Gemini just turned up in my new Sailboats catalogue - 4.74 per metre. (It's not on the website yet) Looks the business.



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Like some other things - sailing is more enjoyable when you do it with someone else


Posted By: ellistine
Date Posted: 14 May 09 at 8:31am
I thinking about getting some of this Marlow Gemini dual
core.

I've not done any splicing or whipping before so what
would be the recommended method for tidying up the outer
layer once it's been stripped back? I'm assuming some
lock stitching to stop the outer moving and then some
whipping to stop it fraying or would the outer need to
be brought into the two cores some how?



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Posted By: GybeFunny
Date Posted: 20 Feb 12 at 12:36pm
This thread is a few years old now, what is the latest thinking on this as I need a new split tail mainsheet?
These dual core ropes sound good but how easy is it to achieve a decent split that flows through the pulley at the end of the boom well?


Posted By: JohnW
Date Posted: 20 Feb 12 at 1:21pm
Originally posted by GybeFunny

This thread is a few years old now, what is the latest thinking on this as I need a new split tail mainsheet?
These dual core ropes sound good but how easy is it to achieve a decent split that flows through the pulley at the end of the boom well?

I have recently replaced my split tail main sheet using Gemini. The split was very easy to do, as was the splice onto the transom fittings. 

The one problem I had was with finishing the outer core.  I was hoping I could taper it into the inner for a nice clean splice, but this proved difficult with the double inner cores preventing the outer from being threaded inside them - I couldnt get the inners to open out enough to be able to feed the outer inside.

The second attempt was to split the outer and taper each half down each of the splits of the tail, but that didn't hold in place and looked a mess.

In the end, I just trimmed the outer and whipped and stitched it, which then did make me wonder if it was worth the additional cost of using Gemini rather than a more conventional split tail with a whipped and stitched tail.

The other downside is that it is only available in 7mm I would prefer 8mm.





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Posted By: GybeFunny
Date Posted: 21 Feb 12 at 7:16am
Thanks for the response John, given your experience I have decided to leave it to the pros and have ordered one from Ian Turnbull Marine: < ="-" ="text/; =utf-8"> http://www.ianturnbullmarine.co.uk/ - http://www.ianturnbullmarine.co.uk/


Posted By: catmandoo
Date Posted: 21 Feb 12 at 12:22pm
was looking on internet for videos of what to do with the gemini and split tail , but found nuttin , 

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Posted By: Oatsandbeans
Date Posted: 21 Feb 12 at 12:41pm
It is possible to do this. You have to do a good job of tapering down the outer  and feed it into the larger inner cores. I use a wire tool made from a folded piece of 0.8mm wire to pull the outer through the inner as it doesn't get stuck like some fids tend to. ( I got this from a video on you tube Rooster or P&B I cant remember which).


Posted By: Oatsandbeans
Date Posted: 21 Feb 12 at 12:45pm
Here is the video it is for Marlow Fusion but you do it exactly the same 
www.youtube.com/watch?v=7bWZpUQZO8E


Posted By: JohnW
Date Posted: 21 Feb 12 at 2:18pm
Originally posted by Oatsandbeans

Here is the video it is for Marlow Fusion but you do it exactly the same 
www.youtube.com/watch?v=7bWZpUQZO8E

Yep, tried that - easy with Fusion, but a different game with Gemini because there are two cores you cant open the inner core out in the same way to feed in the taper.

I also tried to put it inside the outer core but that did not work because I had threaded the two cores through each other to form the split.  Perhaps if I had tapered first and then threaded the cores through each other afterwards it may have worked.


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