Wire halyard through random block. - SailNet Community
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post #1 of 14 Old 05-27-2013 Thread Starter
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Wire halyard through random block.

I got a wire to rope halyard. I installed it for my spinnaker halyard. My mast has a crane on top and a block in the front for the spinnaker halyard. All I know about this block is that it has a white sheeve and spins like butter. Can I run a wire halyard to replace the previous spinnaker halyard which was all rope or will the wire cause damage?
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post #2 of 14 Old 05-27-2013
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Re: Wire halyard through random block.

I've steered clear of wire halyards ... partially, because I think NOT.

From what I've seen, wire-halyard sheaves have a different line profile. Just looked in the WM catalog, to confirm-or-deny my suspicions ... and they seem to make a point about blocks and sheaves that are designed for wire halyards.
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post #3 of 14 Old 05-27-2013
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Re: Wire halyard through random block.

A white sheave sounds like nylon. A wire halyard will likely cut through it like.... butter. The ONLY reason to have a wire-to-rope halyard on any boat in 2013 would be for a museum display of a boat from the '70's or before. Modern synthetic fiber line is actually stronger than the same diameter wire, and stretches (the reason wire was originally used) less than wire. Splicing wire-to-rope costs so much that even an expensive extra-low stretch synthetic full-hoist halyardoften ends up being cheaper than a wire/rope halyard. The full-hoist line can also be reversed, doubling the life of the halyard. We replaced our wire/rope halyards more than ten years ago, and haven't needed to reverse them yet. Even if your wire to rope halyard was given to you as a present, I would take it off and go with a low-stretch synthetic line. Besides wearing through the spinnaker crane block, the wire is going to develop soldiers that will cut the hands and fingers of foredeck crew, as well as possibly snagging sails. It's simply not worth it.
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post #4 of 14 Old 05-27-2013
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Re: Wire halyard through random block.

What Paul said... wire makes no sense for that application and especially for that block.

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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post #5 of 14 Old 05-27-2013 Thread Starter
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Re: Wire halyard through random block.

I guess ill use it as my main or jib halyard. They supposedly have the original wire sheeves which is what I got it for in the first place. I don't know why I got the idea in my head to put it up in the spin.
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post #6 of 14 Old 05-28-2013 Thread Starter
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Re: Wire halyard through random block.

Score !!

Switched it to jib halyard. My masthead sheeves are no longer sticking now that the halyard is wire.

It felt like it was the rope getting pinched since it was only when load was put on. That told me it was the rope being pinched.

Another big problem solved!
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post #7 of 14 Old 05-28-2013 Thread Starter
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Re: Wire halyard through random block.

Not to have to start a new a new thread. About how much tail do I want on this halyard. It's got about twenty five feet left over when fully lowered. I supposed it wouldn't hurt to leave about 7 and cut the line and have a new Cunningham line as well?
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post #8 of 14 Old 05-28-2013
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Re: Wire halyard through random block.

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Originally Posted by northoceanbeach View Post
Not to have to start a new a new thread. About how much tail do I want on this halyard. It's got about twenty five feet left over when fully lowered. I supposed it wouldn't hurt to leave about 7 and cut the line and have a new Cunningham line as well?
Yeah.. That's just too much line underfoot.. Find another use for the excess.

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Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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post #9 of 14 Old 05-29-2013 Thread Starter
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Re: Wire halyard through random block.

Sweet. Now I have a new cunningham
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post #10 of 14 Old 05-29-2013
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Re: Wire halyard through random block.

Might be that long if you were planning on running the line to the cockpit.
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