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Discussion Starter · #1 ·
I have a couple of questions all centered around my anchor chain (5/16 G4). We have 170' of chain plus 100' or so of rope for our rode. We typically only use about 70' of chain as we are not anchoring in too deep waters in the Chesapeake. This 70' has rusted, hopefully not to the point where the links are structurally unsound. We have the rode off the boat and hit the rusted up area with a power washer to flake off the loose stuff. When it is dry, I plan to evaluate the links to see what has flaked off, if anything.

So I am pondering my options.
I could replace the entire chain rode at $500+ which is not really in the boat budget; My good friend suggested that we get the loose rust off and then coat the chain with epoxy which would seal it and hopefully give us another 4 - 5 years: I would then turn it around so that the expoxied chain is at the other end. I could cut the bad chain off and replace it with new chain but how would I connect the 2 lengths of chain so it would work with my Maxwell vertical windlass? I could eliminate the bad section of chain altogether as I have plenty of rode left but when we leave the Chesapeake for more offshore cruising we may need more chain and we are back to dilemma of how to connect 2 chain rodes.

What do you think would be best? Any other options I haven't thought of?

Tod
 

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You might look into re-galvanizing the chain. The specialists who do it charge by the amount of zinc used. I re-galvanized 220 ft of 5/8s chain for around $700. Your chain would be cheaper and the end product is almost as good as new (assuming the rust hasn't taken too much of the metal and it hasn't been over-stressed).

I used V&S in Rhode Island, but I think they have an operation in Delaware. Look for someone who does "industrial scale" hot dip galvanizing so you won't have to pay "marine" prices.

Hot Dip Galvanizing and Protective Coatings for Steel from Voigt & Schweitzer

I doubt that applying epoxy will help as it will only wear off over time.

Have you considered leaving it as is and just turning the chain around so you put the previously unused part in the water.
 

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Discussion Starter · #3 ·
First: thanks for that recommendation. I will try that.

I have considered turning it around but worry that I will get faster deterioration in the moist anchor locker.


Mandolin, Bayfield 36 out of Rock Creek, Chesapeake Bay.

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Reverse the chain end for end and use the 'good' section that still has adequate
galvanizing.
For the Chesapeake and because you have a lot of chain you dont use on this rode ..... consider to have the rusted section shot blasted, then BOIL in HOT water for several HOURS so that which was shot blasted develops a ferrous oxide or protective 'black rust' coating, then spray with a zinc rich PAINT.
 
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