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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 Rusty Keel Nut		  New Topic  Topic Locked
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Ericson33
Admiral

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USA
892 Posts
Initially Posted - 12/28/2006 :  21:40:02  Show Profile  Visit Ericson33's Homepage
I have a nut on the forward bolt on the keel that for some reason is rusting. The PO or the PO of the PO had some of the keel bolts relocated? I have no idea what material the nut is made of, and I need to take navel jelly and clean it up before removing it.

If the bolt is rusted then I will replace the whole thing

has anyone replaced the keelbolts?
C.S. McKillip
Ericson 33
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John Russell
Master Marine Consultant

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USA
3444 Posts
Response Posted - 12/29/2006 :  09:14:57  Show Profile
Take a look at this thread that appeared here last month.

http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=14167
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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts
Response Posted - 12/29/2006 :  11:29:37  Show Profile
Hi Chris... This might be a somewhat Capri-specific topic, but I'll make some general comments. Keel bolts generally can't be replaced--they need to be "sistered"--that is, new bolts added to make up for weakened ones. In most cases, the original bolts are cast into the keel, head down and threads up, so they won't ever turn or pull out. For a new bolt, a hole must be drilled and tapped--easier to do in lead than in cast iron, of course. In lead, you can use stainless bolts and nuts--in cast iron, that might create some electrolysis, which is presumably why older C-25s with cast iron keels have mild steel bolts.

Another IMHO generality: This is probably a job for somebody who knows what they're doing and has the appropriate equipment. You want the right type and size bolts, and you want clean, pricise holes and threads, since you won't have a bolt head under the surface as on the originals.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.