That chain size seems too big and way too heavy…. 1/4”-5/16” stainless steel chain should be more than sufficient and a lot less weight, you’re a little shy on length as from what I’ve read the rule of thumb is one foot of chain for each foot of hull. I just did some searches, one rule of thumb for chain diameter sizing is one half the diameter of your rode. I originally had 20’ of 3/8” galvanized chain and it was wayyyy too heavy and the galvanized chain marked the gel coat badly, like if it barely touched the gel coat it would leave a mark that took a magic eraser to get off. I switched to 20’ of 5/16” stainless steel chain and that’s much easier to handle and a lot less weight and truth be told I could probably even use 1/4” SS chain and it would be totally fine, weigh less and take up less room.
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I also have a swivel on my anchor and the rode is attached to the swivel.
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Here’s a chart from West Marie’s website, you can see the three different SS chain sizes, their breaking / working strengths and their weight. The 5/16” is almost half the weight of the 3/8” chain has a breaking strength of 9600# and a working load of 2400#, I seriously doubt the bow cleat is going to hold 2400#. The 1/4” chain is almost 2/3 less weight than the 3/8” and still has a breaking strength of 6280# and a working load of 1570#, and the bow cleat will probably not hold 1570#. Anchor slippage is usually associated with insufficient scope of the rode.
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I just realized that you said you have 5/8” chain which is close to 4# a foot…. So your weight savings would be huge.
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