Is this swaged fitting failing? - SailNet Community
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post #1 of 19 Old 01-21-2014 Thread Starter
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Is this swaged fitting failing?

My mast is down I'm looking over my swaged fittings. They all look good, except for this one in the image below, it looks off to me:



The wire seems to have lost its twist right where it enters the fitting. It seems to have straightened some.

Do you think this is something that happened when the fitting was compressed on - or did this happen over time?

Is this serious, maybe it's in the process of failing?

As always your thoughts are appreciated!
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post #2 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

Its hard to tell what would have caused that especially without seeing it in person, but you are correct that its not right. If I found that during a rigging inspection I would defiantly recommend replacing it. Just out of curiosity, how old is your rigging?

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post #3 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

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Originally Posted by Reefpoints View Post
My mast is down I'm looking over my swaged fittings. They all look good, except for this one in the image below, it looks off to me:



The wire seems to have lost its twist right where it enters the fitting. It seems to have straightened some.

Do you think this is something that happened when the fitting was compressed on - or did this happen over time?

Is this serious, maybe it's in the process of failing?

As always your thoughts are appreciated!
Is this the top end of a head stay with rollerfurling?
If so it can look like the result of a halyard wrap.

It looks as if the fitting has been rotated against the lay of the wire.
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post #4 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

Did it look that way last year looks like it was twisted when tightening the turnbuckles have a rigger look at it. But off in doubt change it out. Cheaper than a dismasting

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post #5 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

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Originally Posted by knuterikt View Post
Is this the top end of a head stay with rollerfurling?
If so it can look like the result of a halyard wrap.

It looks as if the fitting has been rotated against the lay of the wire.
That is what I was thinking, or perhaps it got bound up in a turn buckle and got twisted when adjusting? I think I would replace it, unless it is almost new.
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post #6 of 19 Old 01-21-2014 Thread Starter
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Re: Is this swaged fitting failing?

This is at the upper (masthead) end. I did go up my mast a year ago, but I don't think I would've noticed this if it had been there. So maybe it's new, maybe not..

I wasn't sure if anyone had seen something like this before.
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post #7 of 19 Old 01-21-2014 Thread Starter
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Re: Is this swaged fitting failing?

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Originally Posted by knuterikt View Post
Is this the top end of a head stay with rollerfurling?
If so it can look like the result of a halyard wrap.

It looks as if the fitting has been rotated against the lay of the wire.
Yes, this is my head stay w/ furling gear! A halyard wrap would make sense. I was 90% planning on replacing it, now I'm 100% definitely going to replace it.
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post #8 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

knuterikt gets the gold star!

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post #9 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

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Yes, this is my head stay w/ furling gear! A halyard wrap would make sense. I was 90% planning on replacing it, now I'm 100% definitely going to replace it.
Replace the stay.

It's important that you find out why you got this halyard wrap.
There are two common reasons for a halyard wrap
  1. The angle between the stay and halyard is not correct
    • On some boats this can be fixed with a strop (dyneema/wire) between the head of the sail and the swivel.
    • On other boats you need a halyard deflector
  2. User error, if the halyard is too slack while furling/unfurling the halyard can also wrap around the stay/foil.
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post #10 of 19 Old 01-21-2014
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Re: Is this swaged fitting failing?

Knut has it right, I just wanted to jump in and reiterate, as soon as the wire starts to inlay like this it must be replaced. By itself that little twist is a massive decrease in strength, I haven't seen any testing done but somewhere in the 50% loss would be my guess.

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