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Old 12-05-2012, 17:17   #136
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Re: Any Updates on Synthetic Rigging ?

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Originally Posted by Jmolan View Post
Paul, I wonder where you got the idea it takes a long time?
When you get familiar with the splice, you can make up a shroud/stay in very short time. I did my entire cutter rig (10 ropes) in less than a full day. That's 20 splices. I know I got faster as I went also.
All I've done is my lifelines and a couple soft shackles but you are right the splicing is very easy.
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Old 14-05-2012, 08:06   #137
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What splice are you guys using? Brummel? How did you learn it? Do you use dead eyes?

With no stretch, is the durex rig harder on the chain plates?
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Old 14-05-2012, 08:13   #138
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Re: Any Updates on Synthetic Rigging ?

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What splice are you guys using? Brummel? How did you learn it? Do you use dead eyes?

With no stretch, is the durex rig harder on the chain plates?
Yes, Brummel splices. Colligo Marine has a good video on how to do them ...
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Old 14-05-2012, 11:23   #139
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Re: Any Updates on Synthetic Rigging ?

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...With no stretch, is the durex rig harder on the chain plates?
It's not that the Dux has no stretch - it stretches much like stainless steel. I'd think that chainplates would react the same to wire or Dux.

But wire doesn't like to flap (it work hardens) & Dux doesn't care, so I'd think that Dux would be better than SS for your Searunner cap shrouds. There's a 27' tri up here with Dyneema(?) & dead-eyes for their caps.
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Old 09-08-2012, 20:03   #140
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Re: Mike Strong stuff

Hi JMolan and fellow Dyneema afficionados - loved the photos but WHERE OH WHERE can I buy the thimbles in Oz?? Please help :-)
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Old 10-08-2012, 00:11   #141
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Re: Any Updates on Synthetic Rigging ?

Have you tried Mike Strong at Strongrope ?? He is/was in the business of supplying this stuff.
Cheers !!
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Old 10-08-2012, 14:32   #142
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Re: Any Updates on Synthetic Rigging ?

You could also contact John at Colligio Marine. He sells all over the world, and may have someone to send you too.
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Old 07-10-2012, 01:08   #143
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Dynex forestay ?

I am following the Dynex threads now , as I need to replace my Dyform s/s forestay
but I have yet to see a reference to rigging a forestay for use with a furling jib ?

can it be done ? I am replacing my furling drum and top swivel as the furling foil has been chafing the existing Dyform forestay in the drum area .
If I use Dynex to replace the s/s wire then this may cause a chafe issue ?
and how is a Dynex forestay rigged so it can be finely adjusted ,
any advice please ?
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Old 07-10-2012, 01:54   #144
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Re: Dynex forestay ?

Gramos, I would not recommend Dux on a headstay, especially one where your Dyform is getting chafed(!) by your (alloy) foil! Chafe IS an issue with Dux, so if your STEEL is getting chafed, better stick with steel (or something harder). I'm thinking of using electrical shrink-tubing over areas where I might get some chafe (like lifeline stanchions) more so I can see it before it gets to be a problem.

But tensioning Dux is no problem. If it's something that doesn't get tensioned often then you can use dead-eyes, but you can also use normal turnbuckles (which is what we're using). Colligo Marine supplies thimbles that can do either.

And I'm working on a cheap tension gauge...
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Old 25-10-2012, 05:30   #145
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I am a bit late to this thread...........

Curious how anyone is handling chafe issues at the spreader ends???

We have re rigged our runners, and lifelines with Dux. It's great material to work with. Just hope it performs as well over time. I am working up to the point of replacing the entire rig. Just cannot get a good handle on potential chafe issues at the spreader end. We have noted a bit of chafe on one lifeline......... so chafe is an issue with Dux.

Thanks
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Old 25-10-2012, 05:41   #146
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Re: Any Updates on Synthetic Rigging ?

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...Curious how anyone is handling chafe issues at the spreader ends???...
Honu, we bought 1/2" SS thimbles, which we're going to open up a bit so they go over our spreader ends. The thimbles will give a nice gentle radius. The Dux will actually be captive in there, as our spreader ends are enclosed, so we don't have to worry about sails rubbing against the Dux at the spreader ends. We'll put normal plastic spreader boots on.

I'm also considering covering the Dux with heat-shrink tubing, so we can see any chafe issues before it starts eating away at the Dux, but I haven't made up my mind yet. Does anyone have any opinions here?
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Old 25-10-2012, 06:25   #147
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Thanks Jon,

Good idea in the SS thimble. Will you lash the thimble in place ....... Or maybe a sheet metal screw to hold it in place? I would think that there should be some give and play to let the shroud settle into place.

The ends of our spreader are machined aluminum. The shroud is retained by pivoting it 90 degrees and it slots in. I was considering machining the ends to give a bit of radius and a more smooth surface. But there is still not a lot of area there and I think that chafe would still be a problem.

I like the thimble idea......
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Old 25-10-2012, 07:22   #148
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Re: Any Updates on Synthetic Rigging ?

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I'm also considering covering the Dux with heat-shrink tubing, so we can see any chafe issues before it starts eating away at the Dux, but I haven't made up my mind yet. Does anyone have any opinions here?
Be very careful with heatshrink tubing. The melting point of dux is quite low (144 to 152 įC) while a typical 2 setting heat gun produces: 260 & 500C

IF you use heat shrink the best way to shrink it on dux is not a heat gun but boiling water (100C).

However, the much better chafe cover is some 100% dyneema (or spectra) braided cover, which you can buy from various of the rope manufacturers. This is much more resistant to chafe than heat shrink tubing (and lighter!). It's what is recommended for anti-chafe in dyneema life line applications.
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Old 25-10-2012, 09:29   #149
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Re: Any Updates on Synthetic Rigging ?

Funny enough the only material that makes sence to use for dynex (a form of dyneema) is actually more dyneema. It's so abrasion resistant that no other material can really compare.

I believe Colligio has rigged a furling system on the Duc, but I am not sure.
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Old 27-10-2012, 06:10   #150
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We replaced our lifelines with Dux last summer. The port side lifeline was in contact with the cap shroud (wire). I purposefully left it in contact to see how the material held up to chafe. The Dux did show evidence of wear and chafe. Not much damage .........very little in fact. But after only one season there was definitely evidence of chafe. So no matter how tough and strong Dux is described to be, chafe is still an issue. Just a Layman's opinion............
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