Mast compression block

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PL Ross

Has anyone had experience with water accumulating forward of the compression block in the Bilge of a 80's vintage Cat30? I have a 1983 Cat30 - I have done a good job keeping the bilge dry and the aft end of the block dry - But, does water accumulate forward? There of course is no access without cutting a hole in the floor. I'm afraid if water sits there eventually the block will deteriorate....There does not seem to be anyway to check this situation and I may be over complicating the matter. Anyone had a problem as a result of what I have described? Thanks -
 
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Eric Ludin

Please explain

I have read and reread your post and do not understand the question. I also have an 83 Cat 30. What has caused you to believe you have water forward of your compression post? Do you mean water under the v-berth? It would seem to me that if you keep you bilge dry, your compression block will be dry as well. Water under the v-berth needs to be sponged out since it doesn't drain to the bilge. Please excuse me if I'm stating the obvious.
 
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PL Ross

Thanks for the response

Thanks for your response - On my boat, (and yours - I assume)it is really the area underneath the head and underneath the floor between the head and the starboardside locker. If there was water in that area it would not have any way to drain into the bilge. I do not have any reason to think I have a problem - but, how can you tell if you can't get access to the area!?!
 
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Sean

Compression Post

Actually, I usted to worry about this same problem on my Catalina 30. I thought about it and finally cut a hole in the floor to see if there was water there. There is a limber hole, but it seemed too high to get all of the water out. Anyway, guess what, There is no space under the floor for water to accumulate.There's only about one inch between the floor and the bottom of the boat. I put a 3 inch inspection plate on the floor to cover the floor. Just to clarify, the hole on the floor was about 3 inches starboard of the entrance to the head. Sean s/v Carnaby Street
 
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PL Ross

Was this not necessary??

Thanks for that input - I guess my question is did you find any moisture or water at all? And, If i'm hearing you right it may not be anything to worry about since there isn't much space. I guess you're saying don't bother - correct? Thanks again for the insight. PLR
 
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Sean

Compression Post.

PL, that's exactly the situation. There was no water in that compartment and the reason the limber hole appears so high from the bilge is because the area is very shallow. Don't worry about it. Sean
 
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Eric Ludin

I have a drain

At some point, a prior owner made a hole under and forward of the drain from the shower. I can stick my finger in and feel the compression block. I guess it is good to have as it allows air into that area around the block. The downside is that I feel the bildge must be dry to keep the block dry.
 
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John Olson

Rotted compresson block

My compresson block is rotten My boat is a1988 C30. Ive had my boat 3years.The former owner used the shower often the shower drain was not sealed good and water leaked into the bilge.The block under the mast is about 6"wide 10"deep and the hight of the bilge .last year I saw a small depression in my floor . Ilooked in the bilge and the glass in frount of the block looked cracked. I cut the glass out with a small saw and checked my mastblock . I pushed a screw driver throw my mast block .Last spring I had a fiber glass man fix it.The man bilt a bulk head out of fiber glass across the frount of the bilge and did not get the glass underthe mast .I sailed all season with the mast pumping up and down as the wind blowes.My rige tension was real ifiy this past year.I have my boat up on stands and will fix it my self this spring .My problem is I dont no how to get the boat in it origanal shape . So I can replace the mastblock.Anty good Ideas? John Olson
 
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