Chain Snubber

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Deleted member 117556

I am considering going to all-chain rode for my anchoring and wanted to ask about snubbers. I currently have 35 ft of 5/16" chain + 160 ft of 1/2" rode for my 15 kg Bruce anchor and it works really well especially since I use a sentinel when anchoring. However, my boat neighbor is upgrading their chain and has offered me 100 ft of 5/16" chain for free if I want it. Sounds like a great chance to move to all chain and eliminate the sentinel. If I do what kind of snubber is easiest and best to use? I assume a bridle arrangement. Anyone have direct experience or recommendations?

My other question is: where do you attach the end of the anchor chain in the anchor locker to secure it? To the small cleat? This seems OK for my current rode but it is not under tension because the rode is secured to the larger bow cleats when anchored. I'm not clear where and how to secure the chain when anchored? Thanks.
bob
 
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Nov 18, 2010
2,441
Catalina 310 Hingham, MA
Hi Bob,

Here is what I do and we have been using this current arrangement nightly for over 4 months. We have experimented with several other options and this seems to work the best.

Our primary anchor is a 35 pound Manson Supreme. We are huge fans of new generation anchors and recommend them to anyone. We have 130 feet of 5/16 G4 chain backed by 200 feet of 3 strand line. The line is spliced to the chain. I put a U bolt in the forward part of the anchor locker and that is where I tie off the rode. I recommend you put some line on the back of the chain you have and tie that off to the cleat. That way you can release the anchor under load by cutting the line if you have too. Never connect the chain to the boat with a shackle. We have met several cruisers that have had to cut their anchor free for various reasons and go back to get it later.

We typically like to anchor in 10 feet of water or so and I will put out too much scope. Usually go for 90 feet if there is room. We are currently anchored in Salinas and it's crowded so we have 60 feet out in 10 feet of water. To set the anchor I wrap the chain around the starboard bow cleat. Once we have backed down at 2000 RPM and feel the hook is set, I take the chain off the bow cleat. I wrap the chain around the windlass 3 times and then secure it to the cleat in the anchor locker. Now I can close the anchor locker and set the bridle.

Our bridle consists of two 1/2" 5 foot legs. Each leg has a thimble spliced into one end and a eye spliced into the other end. I also have chafe guards up near the eye. The thimbles are connected to a Mantus chain hook. Best chain hook I have ever used the and most popular I have seen used by fellow cruisers. My bridle system is actually modelled after the Mantus bridle. I just couldn't bring myself to spend $150 on the bridle. The hook is only $20. Don't make the bridle out of line bigger than 1/2 inch. Our boat doesn't weigh enough for thicker line and it will loose all the stretch and shock absorbing.

To attach the bridle I connect the legs to the bow cleats running the line under the anchor roller. I then pull up about 8 feet of chain and connect the Mantus hook there. That way there is slack in the chain above the hook. On windy days I might have to put the boat in forward for a few seconds to slack the chain to attach the hook.

Andrew on Solace, another C310 cruising the Caribbean now and also from Boston does it a little different. He uses a Mantus hook on a single line. He puts it over the bow roller and ties it off to the cleat in the anchor locker. Both work just different approaches.

We experimented with different lengths on the bridle. We decided the least amount of sailing at anchor came from a short double bridle. The single bridle was second for swinging. But we know several cruisers who have chafed through bridles or had them outright break in heavy storms. So we wanted the double bridle setup. In fact we have a second Mantus hook that we will setup on a second, lazy bridle if we know weather is coming.

Hope this helps.

Fair winds,

Jesse
 
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Deleted member 117556

Thanks Jessie, I was hoping you would respond to my question.:waycool: Have printed off your response to refer to later. Questions: You have the standard issue Maxwell windlass designed for nylon rode only, correct? (the replacement windlass that handles chain only handles 1/4" chain I believe). Surprised that your bridle is only 5 feet long - is that an ideal length? Seems like the bridles you can purchase are ~ 20 feet in length. Sounds like I might just keep the 140' of 1/2" rode with the longer chain...
 
Nov 18, 2010
2,441
Catalina 310 Hingham, MA
Thanks Jessie, I was hoping you would respond to my question.:waycool: Have printed off your response to refer to later. Questions: You have the standard issue Maxwell windlass designed for nylon rode only, correct? (the replacement windlass that handles chain only handles 1/4" chain I believe). Surprised that your bridle is only 5 feet long - is that an ideal length? Seems like the bridles you can purchase are ~ 20 feet in length. Sounds like I might just keep the 140' of 1/2" rode with the longer chain...
Bob,

I do have the standard Maxwell windlass with no modifications. I do use it on chain by wrapping the chain around it twice and then pulling hard on it while I use the windlass. I mainly use the windlass to help with the pull angle. If I straight hand haul the angle has the chain rubbing on the roller furler and scratching the outside portions of it. With the windlass it helps a little on the hauling but mainly it keeps the angle low so it doesn't touch the furler.

Yeah, we have experimented with the bridle length a lot. On the way down the east coast until we got to Annapolis we only had 30 feet of chain. So I would simply tie off to the bow cleats like you currently do. In Annapolis we added more chain and we got a Mantus chain hook and a plain chain hook. We started experimenting with single line snubbers, double bridles and swell bridles. We have found that about 5 feet is the best length for the two bridles. If it's shorter the chain will occasionally rub above the waterline. If its longer the chain will occasionally rub along the bottom paint and make a lot of noise up close to where we sleep when the boat turns with the current or wind. But 5 feet seems to fit that sweet spot in between. And by doing two legs the same length it's very easy to set.

For rigging a swell bridle we set out our regular bridle. Then I attach our second Mantus chain hook down on the chain about 6 inches below the first hook. The second hook is on a long line (40 feet) that I bring back to the winch on the side we need to face and we just crank the winch until we are at the correct angle.

Here are some links.

The Mantus chain hook.

The Mantus bridle.

I would love to own a bridle but $185 is a little to expensive for our budget. We are cruising with a Bayfield 36 now and they have one. It's pretty sweet.
 
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Deleted member 117556

Thank you again, your advice is priceless. If 5 feet is enough for your bridle, why the heck is the Mantus version 25 feet? What am I missing?
bob
 
Jan 22, 2008
8,050
Beneteau 323 Annapolis MD
The purpose of the bridle is that it stretches to reduce shock load on whatever the rode is secured to on the boat. It was suggested using 1/2 inch so that it DOES stretch, which is what you want. Going in and out of my mairna here in Annapolis, it looks like most transients anchored out have the snubbers on the rode about down at the water level. In high swells, you'd want the longer snubber so the boat rides over the waves.
 
Nov 18, 2010
2,441
Catalina 310 Hingham, MA
Thank you again, your advice is priceless. If 5 feet is enough for your bridle, why the heck is the Mantus version 25 feet? What am I missing?
bob
There is no one size fits all bridle. Well I guess that what Mantus is trying to do. They make one bridle per line diameter with movable chafe guards. Our friends on the Bayfield need about 12 feet to have a comfortable setup. On a 36 foot catamaran you might need 20 feet. Plus with the longer legs you could use it as a swell bridle. We prefer to have a simple to setup bridle and a second hook for setting up a swell bridle or storm bridle

To address the comment Ron made, the 5 foot bridle actually does reach the water and has sufficient slack to absorb the typical wake/waves. Our boat doesn't have a lot of free board at the bow so the 5 foot legs work great. I will try to post a pic soon.
 
Dec 19, 2006
5,832
Hunter 36 Punta Gorda
I made my own bridle using the new Mantus hook and some line and a shackle I got from
the marine store and it works great and have it sitting at the water level,also have a 35 Mantus anchor and 100' chain and all I can say it digs in and sets fast and holds like cement.
Nick