rope to wire halyard knot - Page 2 - SailNet Community

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Go Back   SailNet Community > Skills and Seamanship > Seamanship & Navigation
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Seamanship & Navigation Forum devoted to seamanship and navigation topics, including paper and electronic charting tools.


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  #11  
Old 09-12-2008
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Rx-

Most are too slippery for knots. However, that article is over four years old, and some of the materials in use today were not around four years ago, or at least not in common usage as they are today.
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  #12  
Old 09-12-2008
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I replaced my wire-rope halyards with Sta-Set X, no less tension than the old wire-rope.
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  #13  
Old 09-12-2008
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StaSetX

Quote:
Originally Posted by kgs113 View Post
With my main and jib halyards the wire part ends with a nicopress loop. I secure the line with a buntline hitch. Going to Stay Set X after I step the mast and see what I have for sheaves.
Pay particular attention to the stiffness of StaSetX. I've gotten to the point where I won't use it for any application because it is so ornery.

To replace almost any halyard, I would make a composite halyard using Dyneema or Vectran for the shackle end covered with a polyester cover at the hauling end. Analogous to wire with rope tail.

Cheers,

MikeR
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Old 09-12-2008
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If you change from wire to line for your halyard, you have to change out the sheaves at the top of the mast.
1. With a wire/rope halyard the sheave has a grove in the base of the sheave for the with with a wider one for the rope.
2. With an all line halyard you will want the appropriately sized grove to fit that halyard.
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Old 09-13-2008
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Interesting, and yes, if you change over to all cordage the sheaves should be changed. However, I've found that the smaller diameter 12 strand dyneema or vectran (ie 3/16" diameter for boats of our size), lies snugly in the wire groove of the combo sheaves usually found on our boats. You should, no matter what you do, carefully look at the sheaves and clean them up with a file and emery paper. Decades of wire use will usually leave lots of wear which will quickly abrade any cordage you replace the wire with.

Cheers,

MikeR

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Originally Posted by Boasun View Post
If you change from wire to line for your halyard, you have to change out the sheaves at the top of the mast.
1. With a wire/rope halyard the sheave has a grove in the base of the sheave for the with with a wider one for the rope.
2. With an all line halyard you will want the appropriately sized grove to fit that halyard.
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Old 09-13-2008
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Thanx everyone. Having read most of that info before I posted my question I should have asked what, other than knots being weak points, the problem would be having external halyards with no turning blocks secured to the wire with a knot. The knot will not have to pass through any sheaves either.
I'm day sailing on a small lake.
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Old 09-13-2008
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Look into

My Triton and Ariel both have rope/wire halyards, the triton is a wire>rope splice, but the ariel has a small double link between them with a thimbled eye splice in both wire and rope. Link is a single peice, but has a double link chain look to it, made of bronze, and is a lightning bolt like Z shape in profile. I'll try to remeber to get a pic while the mast is down.

Haven't sailed her yet, but finaly got the mast moved around and had a chance to inspect it, PO claims everything is original, (spent MANY years in dry storage) so it may be an off-the-shelf item somewhere. was raining heavily so I didn't play with it to see why the Z shape was required or even if it was, from a quick look it may just be to keep the wire off the mast.

When I got my triton, I looked into replacing the halyard with stayset or some such, but the required changes were more than I wanted to mess with, so I just had the splice done.

Making the conversion, means that future changes can me done with greater ease, but realy only a concern if you plan to keep the boat for the lifetime of a new halyard.

Ken.
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Old 09-14-2008
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I have already talked to a machinest friend in regard to new sheaves when I step the mast this fall. Gotta take a closer look to figure out what I'm going to do. In the meantime, my buntline hitch seems to be working well. Thanks for the advice.
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Old 09-23-2009
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I need to learn that splice

I have a halyard running up to a pulley that is only large enough to accommodate a thin wire rope. Where can I learn how to do that splice?
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Old 09-24-2009
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The Complete Rigger's Apprentice by Brion Toss explains a lot of these splicing techniques. Checked it out of the library to learn how to do double braid eye splice - but used some You Tube videos as well.

JP
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