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Shrouds

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Groupie
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Post Options Post Options   Quote about  a boat Quote  Post ReplyReply Direct Link To This Post Topic: Shrouds
    Posted: 25 Oct 13 at 2:54pm

Wondering if you can use dyneema for shrouds on a gaff rigged Mirror. I know it's strong enough but was also wondering which gauge would be best to measure the tension too.

 
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Rupert View Drop Down
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 13 at 3:19pm
I've always found that whilst Dyneema isn't supposed to stretch, when you come back to the boat next day, or whatever, things always seem looser than they were. This makes setting a particular tension rather hard. 
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bustinben View Drop Down
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Post Options Post Options   Quote bustinben Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 13 at 9:45pm
Dyneema does suffer from creep initially.  Vectran doesn't, but then it is much more expensive.
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Paramedic View Drop Down
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Post Options Post Options   Quote Paramedic Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 13 at 8:21am
Dyastay from English braids.

it's made up of DM10 (A different dyneema fibre with porperties very similar to vectran) and was designed for this very purpose.
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 13 at 2:24pm
Hard to believe it would be legal under Mirror class rules - or if found legal that it would stay legal for very long...
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Paramedic View Drop Down
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Post Options Post Options   Quote Paramedic Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 13 at 8:09pm
Mirror rules do specify wire - ive checked. It's actually quite surprising what classes do and don't specify wire. GP14s can use Dynastay but a Lark cant!
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