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Halyard slipping through clutch

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OptiMystic View Drop Down
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Joined: 12 February 2021
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    Posted: 22 October 2021 at 23:04
The main halyard is slipping through the clutch when closed. The halyard is new and 12mm. Has anyone had this occur and how did you fix it? The halyard slips about 12 inches down from a full hoist then the tension is lessened and the clutch holds. The clutches are the stock bank of clutches delivered when new. The boat has had very light use.
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S&J View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote S&J Quote  Post ReplyReply Direct Link To This Post Posted: 23 October 2021 at 06:26
I had this problem from new on my 385 with 10mm dyneema halyards.  My dealer supplied replacement cams suitable for smaller rope (6-10mm) for the jib and main halyard clutches.  The standard cam is for 10-14mm rope.
When ordering my 458 I asked if this was still a problem and was advised that it wasn't, and so far I have not had slippage of more than 1cm as the cam bites.
The halyards supplied on the 458 appear to be stiffer and have a rougher, more textured outer casing than on the 385 and I believe this might make a difference.

Before fitting the new cams I tried abrading the outer casing and also adding bulk to the rope by stitching whipped twine inside but this had little effect.

Spinlock appear to acknowledge the issue and do supply replacement ceramic cams and base plates which are recommended for specific types of high tech ropes, however these are expensive.  

H458 #159 Primal heading to the sun
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Matt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt Quote  Post ReplyReply Direct Link To This Post Posted: 24 October 2021 at 04:52
I had the same problem. Fix was to switch clutch cam and base plate to the ceramic versions. I have replaced all my running rigging with dyneema and downsized on the sheets to reduce friction but the halyards remain 12mm. Changing the clutch innards was the only thing I have found that works.

Where I use 10mm line e.g. sheets I dropped cam down to 6-10mm version.
HANSE 445 #231 "ALBION"
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Samtutuki View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Samtutuki Quote  Post ReplyReply Direct Link To This Post Posted: 24 October 2021 at 05:43
Change to Ronstan Constrictor. 



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MrPotatoHead View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrPotatoHead Quote  Post ReplyReply Direct Link To This Post Posted: 21 November 2021 at 21:14
You can switch to the 6-10mm cam. The other solution is to "bulk" your halyard by adding an addition piece of core for about 1m long in the area of the clutch when the sail is raised.

Hanse 458 #126
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AndyS View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AndyS Quote  Post ReplyReply Direct Link To This Post Posted: 21 November 2021 at 21:18
I agree with switching to ceramic - slightly more expensive than steel, but much better and should last a lot longer. 
Andy
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 22 November 2021 at 08:56
On that size of boat I would go to 2:1 halyard.

Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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