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30-01-2012, 07:21
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#46
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Senior Cruiser

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 51,843
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by Expeditious
... Any opinions on vertical versus horizontal, powered versus gravity down and any other things I don't even know to ask?
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See ➥ http://www.cruisersforum.com/forums/...lass-1475.html
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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30-01-2012, 07:57
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#47
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Senior Cruiser

Join Date: Jan 2010
Location: PORTUGAL
Posts: 31,297
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by Don Lucas
I always wonder why people on anchor threads are so interested in proving they are right and others are wrong!
I also note that the math experts like to do battle on them.
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Got me mate...
"Political(anchoring)correctness is a creeping sickness that knows no boundaries"
__________________

You can't oppress a people for so many decades and have them say.. "I Love You.. ".
"It is better to die standing proud, than to live a lifetime on ones knees.."
Self Defence is no excuse for Genocide...
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30-01-2012, 10:37
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#48
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cat herder, extreme blacksheep
Join Date: Jul 2008
Location: furycame alley , tropics, mexico for now
Boat: 1976 FORMOSA yankee clipper 41
Posts: 18,967
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Re: Anchor Chain Length Versus Weight
i love watching those politically correct anchorers drag all over a quiet anchorage in a slight 30 kt breeze.
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30-01-2012, 18:20
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#49
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Marine Service Provider
Join Date: Mar 2011
Location: Nashua NH
Boat: Thinking about a Catolina
Posts: 26
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Guys hate to say that there isn't any real math to how much chain to have. There are a lot of like, I use and prefer. Chain has been used on boats since they could make it. It was used because the rope at the time was ver easily torn up on the bottom.
We still use that theory still but with technology we still live in the past. All chain rodes will reduce how much you swing.
Anchoring is scope for holding. Ask a anchor manufacture what calculations they use. Basically penetration with the anchor.
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30-01-2012, 18:22
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#50
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Marine Service Provider
Join Date: Mar 2011
Location: Nashua NH
Boat: Thinking about a Catolina
Posts: 26
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And hold power
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30-01-2012, 18:32
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#51
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Registered User
Join Date: Nov 2011
Location: Fethiye Turkey
Boat: Lagoon 440
Posts: 2,954
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Re: Anchor Chain Length Versus Weight
I think when you apply a rule of thumb of scope of between 3:1 to 7:1 depending on the ground you are trying to stay attached to.
Never have i heard of depth plus 2 boat lengths?
Yep i've dragged before unless your in an armchair it's hard not to have!
Strange how on this forum how much attack and aggressive comment towards the poster goes on?
The OP asks a question many provide answers not all will be correct but theres no need for stupid snide remarks i'm afraid!
__________________
"Political correctness is a creeping sickness that knows no boundaries"
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30-01-2012, 18:41
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#52
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Senior Cruiser

Join Date: Jan 2010
Location: PORTUGAL
Posts: 31,297
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by Lagoon4us
I think when you apply a rule of thumb of scope of between 3:1 to 7:1 depending on the ground you are trying to stay attached to.
Never have i heard of depth plus 2 boat lengths?
3.5 boat lengths.... minimum...
Yep i've dragged before unless your in an armchair it's hard not to have!
Tie a St Bernard to it and watch what happens when the missus walks in,,,
Strange how on this forum how much attack and aggressive comment towards the poster goes on?
Have not attacked or been aggressive to the OP... he asked how much chain I stated what I felt he'd need... and my 'stoopid??' reasoning behind it...
The OP asks a question many provide answers not all will be correct but theres no need for stupid snide remarks i'm afraid!
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I may seem stupid to you... thats life... snide... hmmm... maybe sarcastic....
__________________

You can't oppress a people for so many decades and have them say.. "I Love You.. ".
"It is better to die standing proud, than to live a lifetime on ones knees.."
Self Defence is no excuse for Genocide...
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30-01-2012, 18:53
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#53
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Registered User
Join Date: Nov 2011
Location: Fethiye Turkey
Boat: Lagoon 440
Posts: 2,954
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by boatman61
I may seem stupid to you... thats life... snide... hmmm... maybe sarcastic....
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Wow you love to perpetuate and at the same time create an argument for the sake of it!
Where did i say you are stupid?
Where did i say the OP?
Why the sarcasim?
Your posting confused many and they also went to pains to understand what you were doing?
I simply said what most cruisers do that i've ever come across. I remarked that yours was a dangerous method, then you qualified it by stating you only shallow anchor!!!
Fine mate but why go on with the comments? I haven't attacked you so what's your problem?
__________________
"Political correctness is a creeping sickness that knows no boundaries"
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30-01-2012, 19:02
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#54
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Senior Cruiser

Join Date: Jan 2010
Location: PORTUGAL
Posts: 31,297
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by Lagoon4us
Wow you love to perpetuate and at the same time create an argument for the sake of it!
Where did i say you are stupid?
Where did i say the OP?
Why the sarcasim?
Your posting confused many and they also went to pains to understand what you were doing?
I simply said what most cruisers do that i've ever come across. I remarked that yours was a dangerous method, then you qualified it by stating you only shallow anchor!!!
Fine mate but why go on with the comments? I haven't attacked you so what's your problem?
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Ahhhhhhh..... so now I'm stoopid AND dangerous.....
Untwist yer knickers mate... I'm pulling yer leg....
__________________

You can't oppress a people for so many decades and have them say.. "I Love You.. ".
"It is better to die standing proud, than to live a lifetime on ones knees.."
Self Defence is no excuse for Genocide...
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01-02-2012, 20:53
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#55
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Registered User
Join Date: May 2010
Location: St Pete FL
Boat: 1972 Contest 33
Posts: 783
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Re: Anchor Chain Length Versus Weight
I think you can't have enough rode out. Chain is nice for chafe and angle off the bottom, but scope is better. I have a chain/nylon set up so I can put more then enough rode out.
As far as swing I've found that the other boats anchored tend to swing with me getting out of my and others way.
Don't want to wake up to this do you?
Sailboats Run Aground at East Beach in Santa Barbara - YouTube
__________________
Auto pilot is saying get up here and grab the tiller.
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01-02-2012, 20:54
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#56
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Registered User
Join Date: May 2010
Location: St Pete FL
Boat: 1972 Contest 33
Posts: 783
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Re: Anchor Chain Length Versus Weight
Also a anchor bigger then your boat needs is a plus.
__________________
Auto pilot is saying get up here and grab the tiller.
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02-02-2012, 10:22
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#57
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CLOD
Join Date: Jul 2007
Location: being planted in Jacksonville Fl
Boat: none
Posts: 20,831
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Re: Anchor Chain Length Versus Weight
__________________
Don't ask a bunch of unknown forum people if it is OK to do something on YOUR boat. It is your boat, do what you want!
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02-02-2012, 10:42
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#58
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Senior Cruiser

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 51,843
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by w1651
I think you can't have enough rode out...
.... I have a chain/nylon set up so I can put more then enough rode out...
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You cannot have enough; but you can have more than enough?
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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02-02-2012, 10:54
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#59
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Registered User
Join Date: Apr 2011
Location: North carolina
Boat: Com-Pac 35
Posts: 7
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Re: Anchor Chain Length Versus Weight
OK, I got it, as big an anchor as I can stand, all the chain my locker will hold and a good length of nylon rode just in case.
Now this thread ends, I hope.
Thanks
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21-06-2012, 17:02
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#60
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Registered User
Join Date: Nov 2009
Posts: 196
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Re: Anchor Chain Length Versus Weight
Quote:
Originally Posted by SailFastTri
5/16" g40 is more than enough strength for a 35 foot boat. It is 1.1 lb per foot.
If I were you I'd go with about 100 ft of that backed with 200 ft of 5/8 nylon brait. Brait falls much more compact into the locker and that should give you enough chain out to handle bottom abrasion and keep your nylon off the bottom.
(edited chain size)
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It's true that braided line is softer and lies more compact in the anchor locker. However, my experience with a 12-strand braided rode is that it will have a tendency to wrap around the gypsy when raising the anchor instead of coming off smoothly. By chance, just today my brother told me that his friend replaced his 3-strand nylon rode with braided only to go back to the 3-strand after one cruise because of the same problem.
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