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Old 25-05-2024, 03:36   #1
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Anchor chain

Hi everyone would like some advice on length of anchor chain for pacific sailing on a 33 foot mono I would like 100 meters of 10 mm chain on a 25 kg Rocna but worried about the weight on my bow I would appreciate your thoughts.
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Old 25-05-2024, 06:00   #2
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Re: Anchor chain

What is the weight of your mono?. The Rocna sizing chart suggests 8 - 10 mm G4 chain for the 25. You could also go to G7 chain 8mm and save more weight for stronger chain, at a price, weight saving 20%+ and it will fit better in the locker. You may need a new gypsy to fit.
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Old 25-05-2024, 06:07   #3
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Re: Anchor chain

For that size boat I'd be looking at 8mm or 5/16" at the largest. G43 in that size would be plenty strong. If weight is a big concern, go down to 6mm or 1/4" G70. It'll still be strong enough for a 33 footer and for 100 meters of chain it'll save you about 100 lbs.
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Old 25-05-2024, 06:11   #4
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Re: Anchor chain

The boat comes in at around 10.5 tons when loaded Iíve got a 10 mm gypsy just heard of very deep anchorageís in the pacific and want to be safe
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Old 25-05-2024, 06:56   #5
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Re: Anchor chain

Quote:
Originally Posted by kevin123 View Post
The boat comes in at around 10.5 tons when loaded Iíve got a 10 mm gypsy just heard of very deep anchorageís in the pacific and want to be safe

100 meters is a good number. That's what I have and wouldn't want less. You may want to add some rope at the end of it, too, in case you encounter a really deep anchorage.


Previous posts in this thread are all good advice. If I were you, I would be inclined to change the gypsy and go to 8mm Grade 70.
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Old 25-05-2024, 07:21   #6
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Re: Anchor chain

100 meters of chain with 50' of nylon spliced to the end worked well for us in Polynesia. We're 15 t and used 5/16" G7 for weight savings.
Most anchorages were reasonabl depth where not damaging coroal was the greater concern. Consider a method of floating your chain to minimize impact. These guys have a great site.
https://www.jacarandajourney.com/floatingyourchain
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