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 Catalina 250 Specific Forum
 weld rust		  New Topic  Topic Locked
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booyacht
1st Mate

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53 Posts
Initially Posted - 04/26/2011 :  10:47:52  Show Profile
While replacing my bent toggle bolt I discovered this little line of rust on the weld. Would wire brushing it and throwing some clear nail polish over it be fine or should I try a passivating process? I read about Frog's issues with rust but didn't ever see a final resolution... basically, is this the start of a frightening environment? (I don't see it anywhere else yet)
Will Osborn
2000 C250 WK #478
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John Russell
Master Marine Consultant

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USA
3444 Posts
Response Posted - 04/26/2011 :  10:52:23  Show Profile
The rust, combined with the bent toggle would make me suspect the whole thing might be compromised.
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britinusa
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5404 Posts
Response Posted - 04/26/2011 :  11:05:03  Show Profile  Visit britinusa's Homepage
It could be surface corrosion. I would buff it out with a polishing compound on my dremel and reinspect frequently.

I have replaced 3 of the toggles on JD. When replacing the lower shrouds (cat claws in the wire) we opted to change from the enclosed (like shown in Will's pic) to the Open Turnbuckles. Eventually we will change them all to the open version.

I'm now a bit OCD about making sure the toggles are correctly oriented before raising the mast. And I avoid stepping on them when the mast is down (that's how I bent one of them!)

Oh, and if [url="http://www.marinepartdepot.com/tuja.html"] this helps[/url]
Paul
Edited by - britinusa on 04/26/2011 11:06:53
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booyacht
1st Mate

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53 Posts
Response Posted - 04/26/2011 :  11:08:34  Show Profile
I'll be much more careful from now on - my non-OCD raising of the mast caused the 2 to bend. ;)

OH and those turnbuckles are pretty affordable, which one did you go with?
Edited by - booyacht on 04/26/2011 11:11:02
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britinusa
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5404 Posts
Response Posted - 04/26/2011 :  13:43:00  Show Profile  Visit britinusa's Homepage
I didn't buy from them, the new shrouds came with the open turnbuckles. I'll be changing the back stay to open turnbuckle shortly, it's a pain fiddling with the covering tube each time we raise and lower the mast.

Paul
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Derek Crawford
Master Marine Consultant

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3321 Posts
Response Posted - 04/26/2011 :  16:56:56  Show Profile
When stainless steel is welded it loses its rust prevention properties and has to be re-passivated. WM sells a product called Wichinox ($28 a tube) which does an excellent job.
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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.