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Symmetrical Spinnaker sheeting systems and stuff
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timeonthewater View Drop Down
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Joined: 22 Mar 09
Location: United Kingdom, Arundel
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Posts: 60 		Post Options Post Options   Quote timeonthewater Quote  Post ReplyReply Direct Link To This Post Topic: Symmetrical Spinnaker sheeting systems and stuff
    Posted: 20 Dec 14 at 9:19am
Hi Gareth, the chafe was a loading point on the run of the thin musketeer line, where the pole line was gong around the fitting an irregular manner, rather than the chosen route around the sheaves.
 Started life as a burr, and with a few slow two part hoists of the pole, quickly came a trap and wear point for the thin line to fall into and start to melt incrementally down the side of the cheek wall. Change of cheek wall from plastic to Harken black alloy did the trick.
Too many toys..not enough time
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Posts: 60 		Post Options Post Options   Quote timeonthewater Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 14 at 9:26am
Calculating where on the Merlin the correct spot for the guy to run to on the curved deck would be the tricky part, still maintaining the mechanical advantage afforded by the pole snodger.  
The guy has a 3:1 on it led to the helm mid boat, with a fly-away system of course.  Get it right and you won't have to experience sub 10 stone Merlin crew struggling to put on the pole, reach to reach ever again
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Posts: 102 		Post Options Post Options   Quote NHRC Quote  Post ReplyReply Direct Link To This Post Posted: 23 Dec 14 at 1:22am
I was chatting with mike holt about the positioning on SA's dinghy forum a while back.

I have a good idea and it's pretty simple to work out.

Looking forward trying. I have just acquired the blocks I need for it
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Posts: 102 		Post Options Post Options   Quote NHRC Quote  Post ReplyReply Direct Link To This Post Posted: 23 Dec 14 at 1:24am
Originally posted by timeonthewater

Hi Gareth, the chafe was a loading point on the run of the thin musketeer line, where the pole line was gong around the fitting an irregular manner, rather than the chosen route around the sheaves.
 Started life as a burr, and with a few slow two part hoists of the pole, quickly came a trap and wear point for the thin line to fall into and start to melt incrementally down the side of the cheek wall. Change of cheek wall from plastic to Harken black alloy did the trick.



Thanks, as I mentioned earlier I built my own and though mine is like a conventional spiro fitting I fear that I will get the same chafe issues
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