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21-07-2014, 06:23
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#1
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Registered User
Join Date: Nov 2009
Location: Otautahi, Aotearoa
Boat: Alan Pape. Ebbtide 33'
Posts: 104
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Consensus on "How" to Stop the Pin Coming Out of the Anchor Shackle?
To stop the shackle pin coming out, the previous owner had 'moused' the anchor shackle with thin nylon twine , . Way better than nothing. Concerned that this may chafe and let go, I replaced it with 6mm stainless wire.
My question :
Do we have Consensus on "How" to stop the pin coming out of the anchor shackle ?
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21-07-2014, 06:46
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#2
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Registered User
Join Date: Oct 2009
Location: Melbourne, Florida
Boat: Belliure Endurance 35
Posts: 124
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
It's pretty much what you did. Seize it with wire. Put a number of loops in it for security.
-Dave
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21-07-2014, 06:53
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#3
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Registered User
Join Date: May 2004
Location: Cruising on the hook
Boat: 34’ Marine Trader
Posts: 752
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I peen over the end of the shackle bolt. When time comes to remove it, I have large bolt cutters.
__________________
Jim
We are what we repeatedly do.
Excellence, therefore, is not an act but a habit."
--Aristotle
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21-07-2014, 07:00
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#4
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Registered User
Join Date: Jun 2010
Location: St. Petersburg, Florida
Boat: Gemini 3200
Posts: 938
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
Quote:
Originally Posted by Scare_Rab
Do we have Consensus on "How" to stop the pin coming out of the anchor shackle ?
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Have you forgotten this is Cruisers Forum? Consensus? Surely you jest.
Stainless steel wire is the traditional material for securing a shackle pin and it works quite well for an anchor that is frequently in and out of the water. I discovered it is not a good idea for an anchor that stays in the water for extended periods. On a mooring system I had down for two decades I discovered the stainless wire cut a groove in the galvanized shackle because of the galvanic couple. I used nylon wire ties after that and had no problems.
The nylon twine you mentioned would probably be better than the wire ties because it is stronger, but you don't need great strength to keep the shackle pins from working loose.
Fabbian
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21-07-2014, 07:03
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#5
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Registered User
Join Date: May 2008
Location: British Columbia, Mexico
Boat: S&S Hughes 38
Posts: 837
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
Galvanized shackle should have galvanized seizing wire I would think.
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21-07-2014, 07:32
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#6
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Registered User
Join Date: Nov 2012
Location: Long Beach, CA
Boat: Tayana Vancouver 42
Posts: 2,767
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I use Monel wire.
Sent from my iPad using Tapatalk
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21-07-2014, 07:36
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#7
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Moderator Emeritus

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,351
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I'd go with Monel too
6 MM? You da man
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21-07-2014, 07:39
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#8
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Registered User
Join Date: Mar 2003
Location: Wherever the boat is!
Boat: Marine Trader 34DC
Posts: 4,619
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I've used monel wire for over 30 years. The shackle will need replacing before the wire. Chuck
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21-07-2014, 07:39
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#9
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Moderator

Join Date: Jul 2007
Boat: Bestevaer.
Posts: 13,034
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
Quote:
Originally Posted by highseas
Galvanized shackle should have galvanized seizing wire I would think.
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Not necessarily.
With small components like sizing wire it helpfull if they are more noble than the surrounding metal. The very small amount of sezing wire will have minimal galvanic effect on the much larger mass of galvanised chain and anchor. On the other hand if the roles are reversed the small mass of the wire can corrode very rapidly. Thus it it more sensible to ensure these vital components are low down on the galvanic scale.
Monel is the gold standard for sizing wire, but SS is fine. Cable ties are vulnerable to abrasion and UV and are not a great choice for this application.
Alternatives to sizing wire are locktight, or peening the end of the pin.
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21-07-2014, 09:12
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#10
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Registered User
Join Date: Mar 2014
Location: Malta but keep my boat in Croatia
Boat: Grand Banks M/Y 42
Posts: 35
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
Please excuse the ignorance but what is Monel wire and why is it so good. Also what gauge or thickness should be used
Brian
No ice.
Sent from my iPad using Cruisers Sailing Forum
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21-07-2014, 10:18
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#11
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Registered User
Join Date: Mar 2006
Location: Tampa Bay area, USA
Boat: Beneteau First 42
Posts: 3,961
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
Quote:
Originally Posted by No Ice
Please excuse the ignorance but what is Monel wire and why is it so good. Also what gauge or thickness should be used
Brian
No ice.
Sent from my iPad using Cruisers Sailing Forum
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Monel is a nickel/copper/iron alloy highly resistant to corrosion (far more so than galvanized iron or stainless). It's use is limited as it is very difficult to work. Seizing wire of monel will exist long after the galvanized iron pin it secured has wasted away. (Note that seizing and mousing are similar but are not the same thing at all.)
__________________
"It is not so much for its beauty that the Sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
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21-07-2014, 10:36
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#12
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Senior Cruiser

Join Date: Dec 2008
Location: Noank, Ct. USA
Boat: Cape Dory 31
Posts: 2,738
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I've used Monel for over forty years exclusively.
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21-07-2014, 10:44
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#13
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Moderator Emeritus

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,351
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I do a lot of safety wiring, normal is .032, but for things like this maybe the thicker .041 is called for.
Monel is the best, but hold onto your wallet, it ain't cheap. Good news is a 1lb can will probably last you as long as you live.
SS safety wire is about 1/3 as expensive
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21-07-2014, 13:32
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#14
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S/V rubber ducky
Join Date: Jul 2007
Location: Florida cruising currently
Boat: Hunter 410
Posts: 18,833
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
I use stainless steel lock wire on my shackles
__________________
It is OK if others want to do it different on THEIR boat
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21-07-2014, 13:39
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#15
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Moderator
Join Date: Nov 2011
Location: aboard, cruising in Australia
Boat: Sayer 46' Solent rig sloop
Posts: 24,264
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Re: Consensus on "How" to stop the pin coming out of the anchor shackle ?
Quote:
Originally Posted by sailorboy1
I use stainless steel lock wire on my shackles
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We also use s/s seizing wire. It gets broken eventually and one just does it up again before you drop it again. You'd be amazed how many people don't mouse the pin, though, just walk through a marina and look!
Monel may be better, especially if you just happen to have it for something else, but the s/s has worked well for us..
Ann
__________________
Who scorns the calm has forgotten the storm.
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