The swivels are usually installed direct to the anchor. They break during a
side pull. They might be OK if several shackles or chain links we in between
the swivel and anchor to allow swinging to the side without binding.
Lee Haefele
----- Original Message -----
From: Norm of Bandersnatch
To: liveaboard@liveaboardnow.org
Sent: Wednesday, August 20, 2008 8:38 PM
Subject: Re: [Liveaboard] storm anchoc
That sound good to me.
The chain and anchor and shackle are another problem.
Ann-Marie went aground in Hurricane Hugo when the chain parted company from
the anchor. She never found the anchor so she doesn't know if the chain or the
shackle broke. It broke when the hull was sideways to the oncoming seas due to
tacking at anchor. so the forces were at peak. He ended up in the woods at
the edge of the marsh and it cost about $20K to drag the boat back to the
river.
My friend Capt Ron lost his anchor in Key West in "the storm of the century"
some years ogo. He did recover his anchor and the shackle was not there.
Other folks have advised me not to use a swivel as it is a weak point.
I have been told that all shackles are "high tensile" as in high tensile
chain. Can anyone confirm that?
Norm
S/V Bandersnatch
Lying Julington Creek
30 07.695N 081 38.484W
----- Original Message -----
From:
To: liveaboard@liveaboardnow.org
Sent: 8/20/2008 1:51:20 PM
Subject: Re: [Liveaboard] storm anchoc
Norm, I'm in NC and we have had more hurricanes than any other single
location that I know of. I like web strapping. I actually use web strapping for
a normal ( as in weather) anchor rode. It will abrade and there is little
material compared to conventional line because it is flat and strong and
doesn't have a lot of mass. I would put chafe guard on webbing just like nylon
or polyester or what ever. The triple strand nylon will abrade quicker than
braid. If I was using all chain in a hurricane I would consider the webbing to
attache to the cleat. I would also use a length of nylon triple strand as a
shock absorber, and might even put a weight on the rode that would lay on the
bottom near the boat to give some "give" in the chain rode. If you have a
steady 100 knot wind gusting to 125 etc. the rode can get pretty tight and you
need some play to deal with wave action. That's my opinion.
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