Chain Plate Replacement - Page 4 - SailNet Community

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  #31  
Old 05-21-2013
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Re: Chain Plate Replacement

it is not "Cheap" but I love the idea of never having to check it again. I got what equated to a 60"X13" plate that was 10mm thick for 1200$. I think over time that is way worth it. That made 6 chain plates in my case.
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  #32  
Old 05-21-2013
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Re: Chain Plate Replacement

I just finished drilling the holes in my new chainplates. I went with aluminum bronze. The alloy is called C61400. I purchased it from Atlas Bronze.
After talking to Tom Smith, who is the owner I think, I was convinced that this was the best bronze to use.
It wasn't cheap. But I don't believe I will ever have to change out chainplates again.
I am doing all the fabricating myself, but since they had to cut the material from plate, I had them cut to length. So all I have to do is grind, drill, polish and bend them a little.
I also upsized them. From 1/4" x 1.5" to 3/8" x 1.5. Way bigger than I needed, but I don't want them to be the weak link.
My boat can handle the extra weight.

The address for Atlas Bronze is 445 Bunting Ave. Trenton NJ 08611 and the phone is 800 478 0887.

I have no affiliation with them other than this recent purchase, but I will say that they are very helpful and nice to deal with.

Since I wanted to use the same alloy for the bolts but couldn't find any. I am purchasing round stock from them and am going to make my own bolts by threading both ends. They will all be made the exact length.
The bolts on most of the chainplates are visible inside the boat so I am going to use acorn nuts on the inside so that they all are uniform. The outside will be regular silicon bronze nuts.

http://www.atlasbronze.com/

Edit: The total cost of the material is around $675.00 including the round stock, but not the nuts.
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  #33  
Old 05-21-2013
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Re: Chain Plate Replacement

Hey thanks for the input. I have decide to purchase silicon bronze bar stock and drill to make up my own chain plates. A lot cheaper that Ti and I will be in charge of the work and schedule. I plan to use US made silicon bronze bolts as well. Plates should be good for a long long time after that.
Regards
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  #34  
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Re: Chain Plate Replacement

Hi

I must have missed the start of this discussion but I know I contributed to an earlier one. I have installed Ti chain-plates on my Whitby 42 and am well pleased. I have jokingly posted the following on my blog but it has an element of truth;

Titanium Chain-plates are a no-brainer for the following;

1. Rich people.
2. New boat build (especially where the chain-plates are buried - Listen up IPY.)
3. People who have to pay a "professional" $70+ an hour to remove and install the chain-plates.
4. Neurotics like me.

They are not recommended for;

1. Any boat with Baggywrinkles.
2. Any production boat under 30 ft.
3. Cruisers who price their time at 25Cents an hour and spend hours sorting old screws and dubious SS fittings into little boxes (Jim, you know who you are).

http://theincrediblehull.blogspot.co...el/chainplates

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Re: Chain Plate Replacement

One advantage of titanium over stainless is that apparently polishing of ti is not necessary except for cosmetic purposes.

Do people really polish their SS themselves, and if so how long does it take and what is the process?
If it takes long enough some extra money for the ti may be worth something.
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Re: Chain Plate Replacement

Quote:
Originally Posted by davidpm View Post
One advantage of titanium over stainless is that apparently polishing of ti is not necessary except for cosmetic purposes.
From my blog; "I ordered Grade 5 (Ti-6Al-4V) Titanium with sand blasted finish. Interestingly someone suggested that the polished finish is too shiny while the blasted finish is cheaper and holds the deck sealant better."


Gerry

ps. Sandblasted Ti is cheaper than polished.
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