Association Forum - Going from To Hulls to Through Hulls

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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Going from To Hulls to Through Hulls

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Douglas
Master Marine Consultant

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1595 Posts

Initially Posted - 10/15/2001 : 00:35:47

Ill be changing out all the to hulls this winter. I have a few questions fro those that have done this.
1) When I paint the bottom do I put paint on the bronze mushroom and do I put any in the interior to stop anything from growing there??
2) Did you pu

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n/a
deleted

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163 Posts

Response Posted - 10/15/2001 : 09:02:52

I'm not sure about all your questions, but you definately need to fabricate and install a backing plate for the through hull fitting. It is what the nut snugs up against, and depending upon the type of fitting you're using, the seacock is secured to it a

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c25sailor
Past Commodore

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USA
138 Posts

Response Posted - 10/15/2001 : 09:20:48

Douglas,

I changed mine out, replacing with bronze through-hulls. I didn't use backing plates, just the large nut. After removing the old to-hull pipes, I did have to grind down the inside flat. Dry-fit a few time to get it right.

I used Life Seal o

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Ed Monague
1st Mate

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USA
34 Posts

Response Posted - 10/15/2001 : 13:13:21

Douglas, I didn't use a backing plate either. Not much stress on the thru hull and the hull is fairly thick. I used 3M 5200 as a sealant. The whole point of changing from to-hull to thru-hull is that it should never come out or leak, with 5200 I am con

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tinob
Master Marine Consultant

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USA
1883 Posts

Response Posted - 10/15/2001 : 13:45:24

Hi Ed,

What gives? Did you unintentionally misspell your name or did you have a name change :) Ken blames such occurances on fat fingers. I have skinny fingers but they shake a heck of a lot with the same results.

Val

Val Bisagni

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c25sailor
Past Commodore

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USA
138 Posts

Response Posted - 10/15/2001 : 14:02:47

Hey Val,

Yep, still just me. Been away, mostly, now need to learn how to work this new board. Good to hear from you!<img src=icon_smile.gif border=0 align=middle>

Ed Jakubas

Ed on Lucyna II
1982 TR/SK #2801

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John Bixby
Navigator

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118 Posts

Response Posted - 10/15/2001 : 19:42:34

I changed my to hulls to thru hulls last winter. The only thing
I can tell you is the peace of mind is great, especially after reading
all the past posts regarding this subject. I used brass, painted over
them as a part of the bottom job.
john on Ms

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Ken Cave
Navigator

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USA
148 Posts

Response Posted - 10/15/2001 : 23:31:58

Doug:

You really do not need a backing plate if you grind down the inside of the boat parallel to the hull. What I did was to purchase a Mikita grinder (four inch for about $50.00) and cut the bronze fitting right at the place where Frank Butler gooped

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Ed Monague
1st Mate

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USA
34 Posts

Response Posted - 10/16/2001 : 15:37:27

Hi Val, I think you were writing to me in your question about the spelling of my name and yes I did goof up. Missed the 'T' in the middle. There is probably a way of correcting this without reregistering. Haven't spent any time figuring this out yet.

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RichardG
Admiral

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USA
990 Posts

Response Posted - 10/16/2001 : 21:09:12

Ed:

Try this....

<img src="http://im1.shutterfly.com/procserv/47b1ce37b3127cce9b3aba40c5930000003410" border=0>

Also, here is a link to the thread which includes those directions

http://www.catalina25-250.org/forum/topic.asp?TOPIC_ID=110

Ri

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Ed Monague
1st Mate

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USA
34 Posts

Response Posted - 10/17/2001 : 12:09:36

Richard, I opened an account with shutterfly and saved my photos there. I did all of the step 2 as discribed. My problem is in the 3 step. I click the insert image button. In my case the 2 {url} are 2 {image}. When I try to preview the post I get a bo

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RichardG
Admiral

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USA
990 Posts

Response Posted - 10/17/2001 : 15:47:51

Ed:

If the boxed red 'x' is in the preview, the image probably won't show up in your post.

You are right, my instructions were not entirely correct -- pushing the "insert image" button inserts a {img} and a {/img}. Also, in my instructions (and her

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Ed Monague
1st Mate

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USA
34 Posts

Response Posted - 10/18/2001 : 14:21:01

My biggest problem is lack of time to just sit and fiddle until it works. The time I can spend in front of my computer is limited and I like to spend it as productively as possible. There is a chance that I will be selling one of my businesses soon, tha

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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.