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Fri, August 14 2020, 02:00Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 1234[5]678910 ]


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Date Posted: - Monday - 03/23/09 - 1:08pm
Author: Nearly a toss up, I think
Subject: Randall, Murre, M31
In reply to: Dan M32 #36 Independence 's message, "Chainplates" on - Sunday - 03/22/09 - 8:31pm

I think in general external are better than internal for our boats (cruisers), but it's nearly a toss up.

Advantages of External:
-easy access, easier to install, easy to check and maintain and replace.
-One need not fear leaks at deck level that rot the deck and corrode the plate.
-possibly stronger (though usually shorter) in that they tie right into the hull and not a flange built onto the hull.

Advantage of Internal:
-Being inboard, they allow the jib sheets to be brought inboard and thus allow the boat to point higher (on our boats this is a nominal advantage in my opinion; on the other hand, we should take all we can get!).
-The plate can be longer. The chainplates on our boats are really long--possibly extending below the water line. This makes them really strong and distributes their load over a greater area of boat, although where they pass the deck is a weak spot and thus my void the advantage of their length as they age.
-Possibly more aesthetically pleaseing.

One road block to switching from internal to external for me is placement. I have not given this a ton of thought, but it seems one would have to remove the current flange that the internal plate attaches to and then reinforce that area.

Just thoughts.

RR

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