1. I have always heard that for all-chain rode, 3:1 is the norm...5:1 for
   storm conditions.  For the ultimate storm, whatever you've got.
2. I think there is a good argument for too much rode.  The boat will sail
   around more with a lot of rode which may put side loads on the gear that you
   might not see otherwise.  The side pull could actually loosen and dislodge the
   anchor
3. Sunday night we anchored in Trippe Creek, off the Tred-Avon River.  The
   bottom was REAL soft and we couldn't get our Delta (with all chain) to take a
   good hard set.  Using the "three strikes, you're out" policy, we set the #44
   Bruce on about 100' of nylon.  This is the first time we anchored with nylon
   in about two years and I forgot how much more the boat sailed around on the
   anchor.
4. Of course, this has absolutely nothing to do with the original question.
   When did that ever stop us?
   Regards,
   Randy Pickelmann
   MORNING STAR
   back in Solomon's, MD
   getting ready for Eduardo

Following up Randy's post below, is anyone trying Capt. Wil's
observation and recommendation from several years ago that, since chain
tries to "float" in soft mud and actually tends to prevent the anchor
from digging down to China for a good set, better success can be had
with no chain, using nylon only except for a length of wire rope to
prevent chafe on the buried rode.

Dan Stone
M/V Slow Dance
Albin 43
St. Petersburg, FL

-----Original Message-----
From: trawlers-and-trawlering-bounces@lists.samurai.com
[mailto:trawlers-and-trawlering-bounces@lists.samurai.com] On Behalf Of
Randy Pickelmann
Sent: Wednesday, August 30, 2006 5:27 PM
To: trawlers-and-trawlering@lists.samurai.com
Subject: T&T: All chain rode scope question.

...... Sunday night we anchored in Trippe Creek, off the Tred-Avon
River.  The bottom was REAL soft and we couldn't get our Delta (with all
chain) to take a good hard set.  Using the "three strikes, you're out"
policy, we set the #44 Bruce on about 100' of nylon....

Regards,
Randy Pickelmann
MORNING STAR
back in Solomon's, MD
getting ready for Eduardo

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I have been watching this thread.

On a 400000 lb. displacement boat, I routinely anchored using 7:1
scope (all chain, 5/16", 88 lb delta) at night and 5:1 during the
day. Bottom conditions were varied but never had a "loose" bottom as
far as I can remember.

The Navy taught me that 7:1 was what I should aim for.

So, In all of my years driving nuc submarines, I think I anchored 3
times when the Scope < 5:1. (Just 2 times at 7:1. Those post visits
were quite quiet and routine...) Why? Nuc subs (except in Hong Kong
and some other (very few) ports) anchor so far out that the depth
only allowed 5:1. So, i had emergency underways in Morocco, Antalya,
Diego Garcia, and other places where 5:1 was just not enough.

Once, and only once, the destroyer that were were tied up to, which
was anchored, got underway when her anchor broke free.

She 'forgot" we were there..

Now that was an interesting 4 hours....

(She was providing us "shore power" so our reactor was "off." (But
not for long!!!)

So, I believe that if I stick to 7:1 with an all chain rode, I will
sleep better at night...

And, so will the admiral. (That is most important!!!)

of course, YMMV!!

Lee
On Aug 31, 2006, at 00:27, Randy Pickelmann wrote:

1. I have always heard that for all-chain rode, 3:1 is the norm...
   5:1 for
   storm conditions.  For the ultimate storm, whatever you've got.
2. I think there is a good argument for too much rode.  The boat
   will sail
   around more with a lot of rode which may put side loads on the gear
   that you
   might not see otherwise.  The side pull could actually loosen and
   dislodge the
   anchor
3. Sunday night we anchored in Trippe Creek, off the Tred-Avon
   River.  The
   bottom was REAL soft and we couldn't get our Delta (with all chain)
   to take a
   good hard set.  Using the "three strikes, you're out" policy, we set
   the #44
   Bruce on about 100' of nylon.  This is the first time we anchored
   with nylon
   in about two years and I forgot how much more the boat sailed around
   on the
   anchor.
4. Of course, this has absolutely nothing to do with the original
   question.
   When did that ever stop us?
   Regards,
   Randy Pickelmann
   MORNING STAR
   back in Solomon's, MD
   getting ready for Eduardo

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Trawlers & Trawlering and T&T are trademarks of Water World
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