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  #1  
Old 06-07-2013
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Mooring pendants for storms

After getting advice from SN'ers, I decided on keeping my boat on the T-head at the marina instead of the very narrow slip. It's in a pretty protected area and I'm happy with my decision. The marina reserves some moorings that the boats on the T's can move to if there is a really bad storm.

My question is, what gear should I have on hand to attach to the mooring ball if I ever need that option?

I was thinking of getting three mooring pendants (eye and thimble on one end, loop on the other). Two of the same length--I'd run one to the starboard bow cleat and the other to the port bow clean. The third pendant would be a "safety" line and slightly longer than the others. That I'd run to the sampson post. It wouldn't do anything unless the first two lines parted and then it would come into play.

So, I need three mooring pendants with chaffing protection and three shackles.

Is this the right approach? Or is there a better way? Also, what size line for a 30', 11,500 pound Nonsuch?
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Old 06-07-2013
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Re: Mooring pendants for storms

The moorings don't have their own pennants? They usually do around here, but if you do need to supply your own, remember that they have to attach to the mooring. If they have to thread through a 1 1/2" eye, 2" line won't go. You might want to check how they're supposed to attach (and to what) first. Also remember that you'll want to get out to the mooring and attached to it LONG before it becomes an interesting adventure because of waves and wind. Pennants in our harbor are generally 1 1/2"regardless of the boat. You may want to go with nylon in any case. It stretches, so the shock loads are less on the boat and equipment.
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Old 06-07-2013
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Re: Mooring pendants for storms

Quote:
Originally Posted by paulk View Post
The moorings don't have their own pennants? They usually do around here, but if you do need to supply your own, remember that they have to attach to the mooring.
The rented moorings do, but these "in reserve" mooring do not appear to...at least from what I can see from the dock. I haven't rowed out to them yet. In any case, I thought I might want my own (new) pendants or at very least additional ones for storm conditions. But maybe that's not necessary?
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Old 06-08-2013
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Do a Sailnet search and find Mainesails threads on moorings. Mooring design in his neighborhood is very carefully regulated and they seem to have it down to quite an exact science.
Yale makes a polypropylene line specifically for mooring pennants and I would definitely go with that. I personally before prefer a mooring line without a loop in the end as then each time you secure the line it will chafe at a different spot.
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Old 06-08-2013
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Re: Mooring pendants for storms

And remove your anchor or at least beware of its proximity to the pennant.

Dave
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Old 06-08-2013
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Re: Mooring pendants for storms

Go with the largest size line that will fit your bow chocks. For me, that's 1 inch. Most pennants are either standard 3 strand nylon or braided. Here's a link to Defender's selection.

Defender.com Search Results: mooring pendants
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Old 06-08-2013
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Re: Mooring pendants for storms

lash anchor below or to mast, so it cannot be swept orblown away...or contact he pennants.
most moorings that are permanent donot come with own pennants--tenant has to provide.
is pnw storms that went to sd from pnw with hugeous winds and all the cyclonic crap, i placed lines both sides of bows on both boats, one is 11,500 pounds, this one is 28000pounds. anchpr ready in case, lashed to mast...
and a safety line to mast and bits of formosa and to mast of ericson.
chafe gear--i used firehose, as it was plentiful there.....
the boats that broke loose had issues--one was a lafitte 44 that had the bow cleats break off....one was a mariner 40 with double braid line--i try to always use good 3/4 3 strand for this purpose....yacht braid breaks easily in storms, as i have observed up close and personal...
strip decks so nothing flies away...good luck.

btw--i di d drag a 3000 pound mooring with my formosa in a pnw storm in san diego---moved it 10 ft to nw during the southerly winds that precede the storms there....
make sure your pennants are long enough to not drag mooring--i like over 20 ft ....

donot forget--tugging and jerking of boat on lines means they WILL snap......good luck.
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Old 06-08-2013
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Re: Mooring pendants for storms

I would ask the marina (make sure you are talking to someone who knows) what they recommend as scope is critical. Too little and you may drag the mooring by pulling it up out of the ground. Too much and you may end up making contact with another boat.

For example: My mooring is via a town issued permit and I have about at least 10-1 scope through all but the most extreme tides. Everything is oversized. This is true for the boats around me. I also have plenty of swing room. Even if I managed to drag that thing a bit it wouldn't matter.

However, two rows south of me are marina owned moorings and the scope they use is probably half that in extreme tides and the boats are much closer together.

Before you invest in anything I would go out there, attach your anchor line to the mooring. Let out some scope back down in the direction of prevailing storm winds and see how it goes. Then start backing down harder and harder. The bottom and top chain of rarely used mooring may be in a ball or wrapped around the ground tackle.

If the water is warm and you feel adventurous it might be nice to dive down and have a look at low tide. If the mooring is fully buried in the mud and you can't see it, that's not so bad. Have a look at the chain and shackles and make sure it's not tangled.

I have an 800 lb mushroom anchor with 20 ft of USN surplus destroyer anchor chain as bottom chain (not sure of the exact size but it's almost comical how big it is) attached with a 1 1/4" shackle. My top chain is 25 ft of 3/8 and my pennant is 1" and 25 ft long.
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Old 06-08-2013
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Re: Mooring pendants for storms

sdmc, the folks who run the moorings in sd do not have the experience it takes to safely moor a boat--it is on the owner to so do...
i choce to use 20 - 25 ft lines for my safety and for the safety of my boat, while sdmc wanted y=us to use 15 ft and have tuggging an dh=jerking and more breakaways, which are on the owner, not the mooring co....use your own judgement when dealing with marinas. remember the waiver you signed.
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Old 06-08-2013
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Re: Mooring pendants for storms

One thing everyone should know, down here in Maryland there is no permitting, standardization, or regulation of mooring buoys by our local govt. Other than not obstructing waterways and access, there aren't any rules. Sometimes I wish there were. I was so baffled by the lack of rules when setting up my mooring for the first time. That being said, I would really grill the marina about what tackle is used under that ball. If you have to rig some of that I would oversize the shackles, swivels, and pennant as much as will fit through your chocks. Jiminri, the West River is a nice, gentle place for a storm mooring.
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