anchor shackle load rating

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John

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Jun 3, 2006
803
Catalina 36mkII Alameda CA
After reading what's been said here, as well as elsewhere, on anchor swivels, I've decided to replace mine with an anchor shackle. I'd need one with a pin no larger than 7/16" or 3/8". From what I'm seeing online the load rating of this would be about 3,000 pounds. Is this adequate for a Catalina 36? Any suggestions?
 

Ross

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Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
After reading what's been said here, as well as elsewhere, on anchor swivels, I've decided to replace mine with an anchor shackle. I'd need one with a pin no larger than 7/16" or 3/8". From what I'm seeing online the load rating of this would be about 3,000 pounds. Is this adequate for a Catalina 36? Any suggestions?
You can get screw pin anchor shackles rated for 4000 pounds with a 7/16 inch pin but you must read carefully. You can also get the same size rated at only 2200 pounds.
McMaster-Carr. I ordered from them on monday at 8 pm and received the package next day before noon. I don't know how they do that.
 
Feb 26, 2004
23,353
Catalina 34 224 Maple Bay, BC, Canada
C'mon, John, how long have we/I been "preaching" about sizing anchor systems. Not just components. The sizing charts I posted somewhere either here on this board in that material you referred to, or on our C34 website. The charts were from Calder's Cruising Handbook, which included the answer to your question. I'll try to find it, but I'm back in the hospital again with the same broken leg, long, and separate story.

What you're asking is a very good question that the charts answer as should any qualified chandlery. Have you walked into Sven's and asked?
 

John

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Jun 3, 2006
803
Catalina 36mkII Alameda CA
Systems

C'mon, John, how long have we/I been "preaching" about sizing anchor systems. Not just components. The sizing charts I posted somewhere either here on this board in that material you referred to, or on our C34 website. The charts were from Calder's Cruising Handbook, which included the answer to your question. I'll try to find it, but I'm back in the hospital again with the same broken leg, long, and separate story.

What you're asking is a very good question that the charts answer as should any qualified chandlery. Have you walked into Sven's and asked?
yes, Stu, you are completely right. But (and there's always a "but") I'm not buying a new anchor, rode, etc. I'm just getting rid of my swivel. So it seems to me that what makes most sense is to get the strongest shackle that will fit on my chain, which would be one with a 7/16" pin (since I.D. of chain is 1/2").

Sorry to hear that you're back in the hospital. I hope everything is okay.
 
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