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Go Back   SailNet Community > On Board > Gear & Maintenance > Combination stainless steel chain/ galvanized steel anchor
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Topic Review (Newest First)
07-03-2005 04:46 PM
Grigrigrigoris
Combination stainless steel chain/ galvanized steel anchor

Jim, THANKS I did not think of it.
07-03-2005 01:22 AM
jimthom
Combination stainless steel chain/ galvanized steel anchor

Could you install a witch''s hat or cone in the chain locker to prevent the chain from piling up?
Jim
07-02-2005 04:57 PM
Grigrigrigoris
Combination stainless steel chain/ galvanized steel anchor

Jack thanks for your valuable comments. Just to remind you, my motivation for using an ss chain is to avoid the big pile up in the anchor locker. My boat is a Moody Eclipse 38, whose anchor locker for some strange reason does not open from the top. There is a round opening in the bow bulkhead through which I can access the anchor locker. The problem is that when I sail alone I can not be at the same time both in the front cabine in order to push the chain around the chain locker through the bulkhead opening in order to avoid the chain pile up and steer the boat from the cockpit.My boat has now a 25 meter long galvanized chain and a galvanized CQR anchor. The chain is long enough for the lake, where the boat is located right now. However,I am planning to move the boat to the Med next summer and I need at least a 60 to 70 m long chain. I am quite sure that I will have serious pile up and jamming problems with a new galvanic chain having the above mentioned length. So perhaps it would be better to combine a new ss chain with an ss shakle and an ss anchor despite the very reduced friction due to the use of ss in the anchor components.I am considering of buying the German bugel anchor made by a company called Wasi. The bugel anchor has a very narrow tip which helps the anchor to dig deep into the sea ground. The bugel anchor is supposed to bury itself much faster and deeper in grounds with a lot of sea weeds than the CQR. What is your opinion Jack?

best regards
Grigoris
06-30-2005 08:19 AM
WHOOSH
Combination stainless steel chain/ galvanized steel anchor

Grigoris, glad to hear you are "coming along for the ride" aboard WHOOSH. Thanks for the kind comments.

After seeing this thread, I returned to the boat and was handed a copy of last monthīs PBO (British DYI-type sailing mag), wherein this topic was being discussed. The pic showing a stainless shackle going thru the galvanized rodeīs first link told quite a story; that link wasn''t going to last long. Clearly, cathodic activity was present...and if it was happening with the galvanized chain link, one is left wondering about the stainless shackle.

Given the reverse, itīs hard to imagine why one would trust the last link in a stainless rode when connected to a galvanized shackle. The lifespans offered in the PBO article - for a galvanized shackle in "normal use" '' were 10 years when connected to galvanized chain and <1 year when used with stainless.

Jack
06-27-2005 03:30 PM
Grigrigrigoris
Combination stainless steel chain/ galvanized steel anchor

Jack thanks for your comments.I follow your adventures through the svsarah.com site.I hope you like Spain.

regards

Grigoris
06-27-2005 03:18 PM
Grigrigrigoris
Combination stainless steel chain/ galvanized steel anchor

Just to understand your point, it is O.K. to use an ss chain connected to a galvanized anchor with a good quality galvanized shackle?

I assume that you do use ss shackles for the running rigging or you avoid them altogether?

I heard that when the galvanized shackles fail they do not fail suddently but they deform first, so they give some warning. The ss shackles just break suddently. Is it true?

thanks

Grigoris
06-27-2005 01:31 PM
FalconEddie
Combination stainless steel chain/ galvanized steel anchor

For many years, bot on my own boats and those of customers in yacht service, I have removed stainless shackles as soon as possible and in place installed new Galvy items of the proper size.

I have temporarily used a stainless shackle to rig ground tackle for a delivery, and have never seen one fail. However . . .

It gives me the willies. Every once in a while I have put a wrench to a stainless fastener and had it crumble like a dry cookie. I don''t know why this happens or why the fastener right next to it hasn''t deteriorated, but it makes me eyeball a single stainless fitting on an anchor rode, be it a shackle or (shudder) a swivel, with suspicion. I see no gain in it.

I have never seen a good galvy shackle that was properly installed fail. Ground tackle is too important to experiment with.

2 cents
06-27-2005 02:24 AM
WHOOSH
Combination stainless steel chain/ galvanized steel anchor

Grigoris, a couple of thoughts...

Gordīs coment about anaerobic circumstances is is meant to point out that stainless can suffer corrosion in applications where its exposure to sea water is absent sufficient oxygen. OTOH I think this isnīt a problem for stainless chain because it mostly lives in a relatively oxygen rich environment (chain locker). As to why marine vendors sell it if s-s chain isnīt suitable, the answer is always because they can make a profit, whether it "makes sense" or not.

FWIW I was strongly encouraged to avoid using a Wichard s-s shackle between my galvanized rode and chain because, the chandler claimed, it would inevitably lead to failure of the shackle due to corrosion. This was in an established Falmouth chandelry and from a pretty experienced mariner, so it left me somewhat cautious.

Iīm wondering: has anyone experienced a failure of a stainless component, used in a galvaized series of anchor components?

Jack
06-26-2005 03:00 PM
Grigrigrigoris
Combination stainless steel chain/ galvanized steel anchor

Hi Gord,

Thanks for your comments. Did you use the combination ss chain/mild steel anchor for the same reason like mine or for another one? What exactly do you mean ss not recommended for anaerobic applications? If it gets corroded why do the various chain manufacturers sell ss chains for marine applications?

regards

Grigoris
06-26-2005 11:01 AM
emmylouhairball
Combination stainless steel chain/ galvanized steel anchor

Hi,
I don''t have stainless chain, all galv on one and 75'' with rode on the other. I use the rode when I can and lay it out on deck for washdown and a short dry between anchorages. After most of the water is out of it, I pull it down and flake it in the locker by hand. Takes me about 5 minutes or so. The chain side always castles like yours, but if I go down and push the castle over and sort of flake it around a little bit, I don''t have a problem with it jamming as much. I''ve heard of one guy spraying his chain with sailcote to keep it from stacking up in the chainlocker. Haven''t tried it though so I can''t say whether it works.

fairwinds

tr
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