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10-13-2015, 05:10 PM
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#1
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Guru
City: Punta Gorda, fl
Vessel Name: Escapade
Vessel Model: Nordic Tug 37 2002
Join Date: Jan 2015
Posts: 1,231
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Any practical way to extend anchor chain?
Is there anyway to add a length of anchor chain to what you already have without compromising the G4 existing chain strength rating?
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10-13-2015, 05:50 PM
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#2
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Guru
City: Brookline, NH
Vessel Name: Shalloway
Vessel Model: Defever 44, twin Perkins
Join Date: Sep 2013
Posts: 2,260
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I'm interested in this too. This has come up here before and if I remember correctly there is no good way to do it.
Ken
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10-13-2015, 06:03 PM
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#3
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Guru
City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
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Quote:
Originally Posted by Pgitug
Is there anyway to add a length of anchor chain to what you already have without compromising the G4 existing chain strength rating?
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Do you have all chain or chain and line as your setup?
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10-13-2015, 09:53 PM
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#4
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Guru
City: Southwest MI
Vessel Name: Sobelle
Vessel Model: C-Dory 22 Cruiser
Join Date: Mar 2015
Posts: 1,229
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Depending on the chain you intend to use you could try a swivel (like connects the chain to the anchor), a double clevis, or a lap link.
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10-13-2015, 10:09 PM
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#5
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Guru
City: Maine Coast
Vessel Name: Tortuga
Vessel Model: Nunes Brothers Raised Deck Cruiser
Join Date: Feb 2015
Posts: 889
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Well you could open the end link on the old chain, pass it through the first link of the new chain and then weld it closed again. After that hot dip galvanize the area around the weld. Any decent welder can do this for you.
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10-13-2015, 10:48 PM
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#6
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Senior Member
City: West Vancouver
Vessel Name: Ka Hale Kai
Vessel Model: 52' Cheoy Lee
Join Date: Feb 2013
Posts: 158
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I went through a similar search in the spring. Many suggestions included having a link welded but I was never quite comfortable with that.
I ended up finding a 1/16" larger stainless quicklink that had a working rating higher than the G4, and a breaking rating far beyond the G4.
The main concern noted by others about stainless quicklinks is them jamming the windlass. It is a little bigger than the G4 links but runs through my windlass (a mcmurry) without jamming. YMMV.
50+ nights on the hook and no issues so far!
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10-14-2015, 12:16 AM
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#7
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Guru
City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
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Quote:
Originally Posted by nmuir
I went through a similar search in the spring. Many suggestions included having a link welded but I was never quite comfortable with that.
I ended up finding a 1/16" larger stainless quicklink that had a working rating higher than the G4, and a breaking rating far beyond the G4.
The main concern noted by others about stainless quicklinks is them jamming the windlass. It is a little bigger than the G4 links but runs through my windlass (a mcmurry) without jamming. YMMV.
50+ nights on the hook and no issues so far!
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Watch the galvanizing on the chain links to each side of the SS link.
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10-14-2015, 04:53 AM
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#8
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Guru
City: Punta Gorda, fl
Vessel Name: Escapade
Vessel Model: Nordic Tug 37 2002
Join Date: Jan 2015
Posts: 1,231
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Quote:
Originally Posted by Capt.Bill11
Do you have all chain or chain and line as your setup?
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Currently 90' of chain and 100' of 5/8" three strand.
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10-14-2015, 07:08 AM
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#9
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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I had two 200' lengths of chain that needed to be regalvanized and had 50' at one end that was pitted, so removed. Had a welder cut a good link open, remove the galvanize around the weld, add the other chain, and TIG weld it. Then the weld was dressed so it matched the other links and the whole chain was regalvanized.
If you have your chain joined by welding, it must be done by a professional welder with a TIG machine to ensure no impurities in the weld. While intellectually I know this is now the weakest link in the chain (G4 3/8"), with a 5, 400 lbs working limit and 16, 200 lbs tensile strength, I'm sure something else is going to let go before that link parts.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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10-14-2015, 07:12 AM
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#10
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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Quote:
Originally Posted by Pgitug
Currently 90' of chain and 100' of 5/8" three strand.
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If you only have 90' of chain, forget welding and regalvanizing. The cost will exceed the price of replacing that 90' in a new length of chain.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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10-14-2015, 07:17 AM
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#11
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Guru
City: Annapolis
Vessel Name: Ranger
Vessel Model: 58' Sedan Bridge
Join Date: Aug 2013
Posts: 7,088
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Quote:
Originally Posted by Pgitug
Currently 90' of chain and 100' of 5/8" three strand.
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Buy new chain at the size/length you want.
Sell old chain.
-Chris
__________________
Chesapeake Bay, USA
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10-14-2015, 09:54 AM
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#12
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Valued Technical Contributor
City: Litchfield, Ct
Join Date: Aug 2012
Posts: 6,786
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A riveted lap link will have half of the working load as the base chain if the base is G4 chain. The wll of a 5/16 lap link is 1,950 lbs and the wll of 5/16" G4 is 3,900 lbs. See SEAFIT Connecting Links | West Marine.
And I wouldn't weld a link without x-raying the weld.
So the answer is no. Buy new chain of the right length.
David
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12-20-2015, 02:49 PM
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#13
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Guru
Join Date: Apr 2014
Posts: 1,288
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I once had same problem and came up with an answer. I linked the two pieces of chain with 6 feet of appropriate three stand nylon using the standard rode to chain splice. This worked fine for many years just had to watch the splice as it went through the gypsy. The wear on splice same as any chain to rode situation.
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12-21-2015, 11:36 AM
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#14
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Guru
City: Concrete Washington State
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 18,743
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Eyeshulman,
Nice to see you back. I like your style.
And a nice very inexpensive solution to the problem.
Many here have been leary of line splices (including me) but quit a few highly regarded menbers have posted time tested experiences.
__________________
Eric
North Western Washington State USA
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12-23-2015, 02:25 PM
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#15
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TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,728
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I believe the riveted lap link David posted above is stronger than the rode to chain splice. I have used the link for several years without a problem but had to redo the splice in that time. I do keep an eye on the link throughout the year. It's at one of my 30 ft rode marker increments so it's marked with zip ties and is easy to find.
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12-23-2015, 06:30 PM
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#16
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Guru
City: North Charleston, SC
Join Date: Sep 2010
Posts: 4,870
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Quote:
Originally Posted by Pgitug
Currently 90' of chain and 100' of 5/8" three strand.
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Sorry, brain freeze. I'm currently medicated for a bad cold. PUI.
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12-23-2015, 07:14 PM
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#17
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Moderator Emeritus
City: Home Port: Buck's Harbor, Maine
Vessel Name: "Emily Anne"
Vessel Model: 2001 Island Gypsy 32 Europa (Hull #146)
Join Date: Sep 2008
Posts: 2,846
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Quote:
Originally Posted by WesK
That seems like enough chain for 600' - 700' of water with just the chain out. Where are you boating?
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Eh? 90' of chain for 600-700' of water?
__________________
David Hawkins
Deer Isle, Maine
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12-23-2015, 07:16 PM
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#18
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Guru
City: North Charleston, SC
Join Date: Sep 2010
Posts: 4,870
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Quote:
Originally Posted by dwhatty
Eh? 90' of chain for 600-700' of water?
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Sorry, got it backwards. I'm currently medicated for a bad cold. PUI.
It still seems like plenty of chain unless he's in some pretty deep water.
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01-23-2016, 01:41 PM
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#19
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Veteran Member
City: Bremerton WA
Vessel Name: Athena
Vessel Model: 41 Roughwater
Join Date: Dec 2015
Posts: 71
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Just used the seafit link to joint to 50ft 5/16 galvanized BBB chain together, same working load as the chain, The owner at England marine here in Crescent City told me the commercial guys use it all the time and is just as strong as the chain. Here are some Photo's , I'm going to try it, I will keep a close eye on it and will see.
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01-23-2016, 02:52 PM
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#20
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Guru
Join Date: Apr 2014
Posts: 1,288
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Quote:
Originally Posted by Russ Borman
Just used the seafit link to joint to 50ft 5/16 galvanized BBB chain together, same working load as the chain, The owner at England marine here in Crescent City told me the commercial guys use it all the time and is just as strong as the chain. Here are some Photo's , I'm going to try it, I will keep a close eye on it and will see.
Attachment 48311
Attachment 48312
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I read that some also use epoxy with that link. belt and suspenders
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