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Go Back   SailNet Community > On Board > Gear & Maintenance > Opinions on anchor swivels
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Thread: Opinions on anchor swivels Reply to Thread
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Topic Review (Newest First)
11-10-2014 08:12 PM
windnrock
Re: Opinions on anchor swivels

Hi George,
I use all chain, 3/8" G7. I had to change the gypsy on my windlass though. I attach directly to the chain, pin through the last link. You should just use the size shackle that fits your chain. I have seen people use two, a larger one on the anchor and then a smaller one to fit the chain. That makes no sense to me at all. When you buy the shackle, get two. Every time you bring the anchor up, inspect the end of the chain and the shackle. Its not a bad idea to look over the anchor as well. If anything looks doubtful, replace it. Use a galvanized shackle, the may not be as pretty but they are stronger than stainless. Safety wire the shackle and go drop your anchor somewhere! What are your plans?
11-10-2014 03:50 PM
GeorgeB
Re: Opinions on anchor swivels

Windnrock, The yachting article stressed the point of having the "bow" portion of the shackle through the anchor stock so there wouldn't be any lever action on the shackle pin when the boat shifts on anchor. How do you attach your shackle? Does the shackle pin go through the anchor stock? Are you running all chain on the Rocna? I was planning on using 5/16 so it will run through my capstan/windlass combo.
11-10-2014 03:46 PM
windnrock
Re: Opinions on anchor swivels

Quote:
Originally Posted by GeorgeB View Post
This swivel thing generated some good discussion on the dock this past weekend. My question is if the “bow” portion of the shackle is supposed to go through the anchor stock and the pin on the chain side, where do you find an anchor swivel that will fit a Rocna 33# that will still allow it to pass through the anchor roller? (I have a bail on mine to keep the rode from jumping the roller.)
Well George, I don't know where to find that swivel, but I can say I have a Rocna 33 kilo on 3/8" chain that we use a lot. We live aboard and stay on the hook. I have deployed and recovered the anchor, from all kinds of anchorages with many that have strong tidal currents as well and I have never, in over a thousand times, had an issue. The anchor self rights when it hits the roller and feeds right up. I don't have a swivel and I don't believe I need one. Unfortunately, that means I am of no help acquiring the swivel you desire. Hopefully I can help you decide you might not need need one.
11-10-2014 02:14 PM
GeorgeB
Re: Opinions on anchor swivels

This swivel thing generated some good discussion on the dock this past weekend. My question is if the “bow” portion of the shackle is supposed to go through the anchor stock and the pin on the chain side, where do you find an anchor swivel that will fit a Rocna 33# that will still allow it to pass through the anchor roller? (I have a bail on mine to keep the rode from jumping the roller.)
11-10-2014 01:55 PM
Stu Jackson
Re: Opinions on anchor swivels

Useless.

Ground Tackle & Anchor System Sizing TABLES & Swivels

If your issue is the anchor coming up right side to, then a swivel will only igve you a 50% chance of success. Think about it.

What you need is an anchor connector that flips the anchor to the proper side when it comes up. There's a name for them and I've seen them here on the internet, sorry escapes me at the moment.
11-09-2014 02:41 AM
Faster
Re: Opinions on anchor swivels

Some eye-opening images in this newer, related thread here:

http://www.sailnet.com/forums/cruisi...a-nay-how.html
11-09-2014 01:40 AM
mitiempo
Re: Opinions on anchor swivels

I don't believe a swivel is necessary and would be the weak point of any good anchoring system. As posted earlier the only reason I can think for one is if you are anchored for many days or weeks and the boat twists the chain.

You can't have 5/8" chain, maybe 3/8"?
11-08-2014 11:39 PM
windnrock
Re: Opinions on anchor swivels

"Over 90% of the boats in our marina have a swivel, and they have one for a reason I just don't understand the reason. Why would you needlessly compromise a connection? A splice or a shackle that can be easily inspected and makes far more sense to me, but am I missing something here?"

Exactly, I wonder how many of them have a swivel because....well all these other people have them so...... Without finding out if they actually need one. Swivels do, for whatever reason, have a history of breakage. Check out the thread, http://www.sailnet.com/forums/cruisi...ml#post2348586
11-08-2014 11:30 PM
windnrock
Re: Opinions on anchor swivels

With 200' of chain and most of your anchoring in less than 50', you may want to consider leaving the line off until you need it. You might want to hold off on the swivel as well. See if you need it first. If for some reason you do (personally I don't have the need and we live on the hook)go with a good galvanized one and use a foot of chain between it and the anchor. Use galvanized mild steel shackles as well, they take sudden load better than stainless. Both my Rocna and CQR seem to come up in the rollers just fine without a swivel and they are 77 lb. and 70 lb. respectively and all on chain. When you secure the bitter end of your chain, leave a few links loose so you can attach your additional rode without undoing your chain. By the way, do you really have 5/8" chain?
07-10-2012 08:41 AM
Dog Ship
Re: Opinions on anchor swivels

My concern wasn't so much with retrieving the anchor as I have to be on the foredeck to operate the windlass anyway, getting the anchor situated in the roller is fairly easy and just part of the job.
I was more concerned with how the anchor would sit in the mud with say 400feet of twisted chain and rode, in a hard blow with a current.
But that got me to thinking, was the swivel designed for just the ease of aligning your anchor in the roller, or was it originally meant to function underwater and the ease it created in aligning your anchor in the roller came after the fact?
Is the anchor going to have a tendancy to rotate if there is no swivel?
Over 90% of the boats in our marina have a swivel, and they have one for a reason I just don't understand the reason. Why would you needlessly compromise a connection? A splice or a shackle that can be easily inspected and makes far more sense to me, but am I missing something here?
Hey John, how much chain do you have on board and what type of primary anchor are you using?
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