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Old 17-09-2024, 04:22   #1
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Halyard replacement question

My new (to me) Pearson 323's main halyard is worn through the cover and the core is starting to go as well. It will be hauled out in mid October and I plan to either have the mast dropped to do some work or have the yard do some (mount wind instrument, deck lights, led steaming/all around light, etc.

If I replace the 3/16 wire / 7/16 rope halyard with an all rope halyard for now, will it be ok for a while until the existing sheaves can be inspected/service on the hard? If so, can the new line just be taped/stitched to the end of the old halyard and pulled through?

I'm assuming 8mm or 10mm covered spectra is what is currently recommended. Is it acceptable to tie the shackle on the end with a Halyard knot or will this require an eye splice? Can the ends just be whipped the same as standard double braid?
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Old 17-09-2024, 04:47   #2
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Re: Halyard replacement question

You can tie the halyard with a knot but you do lose a lot of strength.
As you say, the halyard knot was designed for that purpose.
I’ve seen bowlines used as well but wouldn’t personally use one for a main - maybe for a jib or spinnaker.

You can absolutely join the new halyard to the old one and pull it through - the usual recommendation is to sew and tape as you really don’t want it to come apart halfway up the inside of the mast.
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Old 17-09-2024, 05:59   #3
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Re: Halyard replacement question

Thanks. I just wasn't sure about knots in spectra cored lines. The halyard is external to the mast but I still wouldn't want it seperating and have to go up to rig it again. I'm not really good with heights...
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Old 17-09-2024, 06:09   #4
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Re: Halyard replacement question

Quote:
Originally Posted by Waltm View Post
My new (to me) Pearson 323's main halyard is worn through the cover and the core is starting to go as well. It will be hauled out in mid October and I plan to either have the mast dropped to do some work or have the yard do some (mount wind instrument, deck lights, led steaming/all around light, etc.

If I replace the 3/16 wire / 7/16 rope halyard with an all rope halyard for now, will it be ok for a while until the existing sheaves can be inspected/service on the hard? If so, can the new line just be taped/stitched to the end of the old halyard and pulled through?

I'm assuming 8mm or 10mm covered spectra is what is currently recommended. Is it acceptable to tie the shackle on the end with a Halyard knot or will this require an eye splice? Can the ends just be whipped the same as standard double braid?
Whether you use Spectra depends on your intent for the boat. Regular double braid polyester is fine for most uses, yes you will get a bit of stretch but its economical and effective. Just sew the new halyard to the old one and pull it through. You can use a halyard knot on the shackle or just a halyard knot straight to the headboard of the sail (my preference)
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Old 17-09-2024, 06:44   #5
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Re: Halyard replacement question

As far as the sheave question, it will be fine as long as your sheaves don't have any sharp edges, burrs, etc. to damage your new rope.

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Old 17-09-2024, 06:51   #6
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Re: Halyard replacement question

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Originally Posted by Waltm View Post
If I replace the 3/16 wire / 7/16 rope halyard with an all rope halyard for now, will it be ok for a while until the existing sheaves can be inspected/service on the hard? If so, can the new line just be taped/stitched to the end of the old halyard and pulled through?

I'm assuming 8mm or 10mm covered spectra is what is currently recommended. Is it acceptable to tie the shackle on the end with a Halyard knot or will this require an eye splice? Can the ends just be whipped the same as standard double braid?

You say you are replacing a wire halyard. It is very likely that the sheaves are scarred/scored from the wire-rope. If as you say you want to immediately replace with all-rope halyard, get something cheap bc the sheaves will probably damage the all-rope halyard.

Once you have inspected the sheaves and if they are smooth, then install your UHMWPE halyard. Best practice for UHMWPE is to splice, NOT knot, bc UHMWPE has low friction and it will literally knot itself so tightly that it will in effect cut itself. The line strength is also compromised surprisingly highly by knotting.

A simple 45-line-diameter, tapered, bury with whipped throat will hold just fine (Brummel not necessary).

I have for 10 years been very pleased with Samson WARPSPEED lines for halyards. These are Amsteel core with polyester cover.
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Old 17-09-2024, 07:06   #7
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Re: Halyard replacement question

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Originally Posted by pcmm View Post
Whether you use Spectra depends on your intent for the boat. Regular double braid polyester is fine for most uses,
It's just for daysailing/coastal cruising so going with the cheaper line for now might be a good idea. Could always upgrade later if the sheaves and everything else checks out ok if it's really needed.
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Old 17-09-2024, 12:20   #8
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Re: Halyard replacement question

Damaged or undersized sheaves will tear up rope very quickly so I would wait. You may find that you have to replace the sheaves as they may be sized for the narrow steel cable.

I use Samson MLX for halyards and use a class 2 eye splice at the shackle and a reeving eye at the bitter end. MLX has a hybrid core that is cheaper than the Spectra/Dyneema cores but is still reduced stretch. If you measure your halyards now, you can order new ones from a rigger with the splices and a new shackle already in place, and receive it about the time you're planning on doing your mast work.
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