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Post by seyq on May 23, 2012 7:22:02 GMT
Hi Have sailed on SO409 with issues of the main and genoa halyards losing grip. Both are 10mm spectra. Any recommendations or similar experience?
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Post by MartyB on May 24, 2012 5:04:15 GMT
I'll give you a couple of thoughts.....
If a spinlock clutch, depending upon how much usage you have, the cams inside can wear down, allowing slip.
Halyard could be on the thin side for the clutch cam, sometimes you can get cams to work with smaller lines.
OR< probably the most common issue, did this myself when I replace my 25yr old clutches, they are one size too small. In otherwords, you are putting more pressure on the cams than they can handle, so the line slips. So buy the next size stronger/larger, OR, I have seen some folks put another one inline from the first. Another I saw on a Waquiez I crewed on, is they took a climbing ascender, attached it to the back side of the clutch, which held the halyard tight along with the clutch.
Marty
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Post by davideso37 on May 24, 2012 13:39:45 GMT
Genoa halyard losing its grip? For the genoa halyard I have two Spinlock clutches on my SO37, one in front of the deck mounted winch and a new one on the mast. Together the two do the job but only just. Regards David
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Post by seyq on May 29, 2012 0:59:04 GMT
Thanks Marty/David
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Post by offshore on May 30, 2012 2:01:15 GMT
Hi One of the problems could be the clutch design. The standard clutches on the 409 are designed to take rope from 8mm to 14mm in Diam. New 10mm Spectra will often squash to less than 8mm so it can slip on the cam. Try popping the core out and sliding some 4mm cord up the middle and then milking the cover back over the core. You will need to taper the ends of the 4mm so you don't get a bump and put a couple of locking stitches to lock it in place. This will thicken the rope up and make it easier for the cam to hold. You will need to do about 18 inches. Also check the cam is moving freely by lubing the clutch. Sometimes they will lock up a bit. Lock stitching the rope at right angles can firm the rope up and make it less squashy so that might help too. cheers Barry
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Post by Don Reaves on May 30, 2012 10:02:23 GMT
This sounds like it would work, but with a halyard, the place where you would want the thicker part is a mast-length from the end. Kind of makes it impractical.
Don
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Post by offshore on May 31, 2012 1:40:19 GMT
When a braid is new or nearly new you can use a small fid or pointy nose pliers to seperate the cover strands and pull the core out anywhere in the rope. Once the rope is a bit worn the cover fibers matt together and can't be seperated. Mast exits and blocks are suitable for 14mm so with a good taper there is no jamming. Tie a small cord to the halyard shackle and hoist the halyard to find the correct position. I will take photos next time I do one. Sometimes need to do the reef positions as well. Remember the xts clutches have a SWL at 14mm of 1000kg and your rope has a break of 4500kg approx.
cheers Barry
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Post by Don Reaves on May 31, 2012 9:35:42 GMT
Good point. Curious that I didn't think of pulling the core out somewhere in the middle. I do a fair number of splices, so you think I ought to know.
Don
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Post by Don Reaves on Aug 3, 2014 0:40:28 GMT
Offshore,
I recently replaced my main halyard and found that the slippage was unacceptable. I tried your idea of embedding a small line in the core of the halyard, and it seems like it should work well. But it took me almost an hour to milk the cover back over the core. Boy are my hands sore!
Hopefully, it will solve my problem.
Don
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Post by sirona on Aug 5, 2014 7:16:32 GMT
I had the same problem on my then 1 year old SO45 when I updraded to 10mm dynema from 12mm standard halyard. The solution was to take the cover from a 14mm line and run the 10mm line through it for a lenght of about 5meters. This was whipped at each end and locking stitches placed every 300mm. Not as elegant as inserting into the dynema but works fine and is easy to do. Paul
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Post by hoppy on Sept 15, 2014 16:18:50 GMT
The other day I was having problem with my main halyard slipping when I tried to flatten the sail for heavier winds. I have 1 season old Spinlock xts.
The problem i was having was that it took a long time for to clutch to grip the line letting out too much. I found that if I half opened the clutch and pressed down on the cam as I slowly released the line from the winch, then the cam would dig in and stop the line.
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Post by jdl01 on Oct 7, 2014 0:56:02 GMT
Jeanneau has been progressively underspec'ing its hardware regime since 2008. You might simply want to ungrade to a bigger/better clutch. Real spectra and dyneema line have very consistent qualities and seldom fail to meet their spec's. A parting,perhaps unpopular suggestion - if you are sailing - as opposed to cruising - you will be constantly tweeking sail adjustments to optimise performance. If you include halyard tension among these ongoing adjustments, such as outhaul, vang, leechline, sheet angle, etc. - then this should not be a big deal.
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