Water staining?

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Anomymous 163294

upon closer inspection of the pics of the inside of my new to me Oday 20 , I noticed that there is a mark along aprroximately 2 - 2.5 inches off the floor on the cabinet. someone please tell me what im looking at and what kind of situation im in?
 

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jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
24,589
CAL 35 Cruiser #21 moored EVERETT WA
Congrats on your new to you boat. Welcome to the club.

tell me what im looking at
You are looking at a high water mark.
At some point in time your boat was filled with water.
Maybe the former owner can share the circumstances that caused this boat experience. Maybe not. Sometimes we want to block out old bad memories.

As they say... it is your boat now. Work to affirm responsibility # 1. Keep the water outside of the boat.

Not always easy, but the mission non the same.

Looking at? That is what you do when you inspect the boat. If this is the first time, then get a good flashlight and spend some quality time with your boat looking at everything that is below that 2.5" line. Electrical... inspect for corrosion.. Wood.. inspect for dry rot. Pressed board. inspect for swelling. Take appropriate action (remove/replace, repair, leave alone) if you find things unacceptable.

Good luck!:biggrin:
 
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Anomymous 163294

Congrats on your new to you boat. Welcome to the club.


You are looking at a high water mark.
At some point in time your boat was filled with water.
Maybe the former owner can share the circumstances that caused this boat experience. Maybe not. Sometimes we want to block out old bad memories.

As they say... it is your boat now. Work to affirm responsibility # 1. Keep the water outside of the boat.

Not always easy, but the mission non the same.

Looking at? That is what you do when you inspect the boat. If this is the first time, then get a good flashlight and spend some quality time with your boat looking at everything that is below that 2.5" line. Electrical... inspect for corrosion.. Wood.. inspect for dry rot. Pressed board. inspect for swelling. Take appropriate action (remove/replace, repair, leave alone) if you find things unacceptable.

Good luck!:biggrin:
thats what i do when i get new boats. i go over every aspect of them . re wire, redo walls , bulkheads ect. im not new to the repair game thats for sure. i have repaired a 1985 sunray, and a 1974 starcraft chieftain 18. . every nook and crany will be investigated with a fine tooth comb so to speak.
 
Jun 21, 2004
3,133
Beneteau 343 Slidell, LA
. every nook and crany will be investigated with a fine tooth comb so to speak.
After thoroughly cleaning the inside of the cabin, hopefully you can determine any leak source after a heavy rain or by flooding the deck with a water hose. Possible that there are leaks around deck hatches, chainplates, mast support, & deck mounted hardware. If the PO wasn’t using the boat & inattentive, perhaps the boat had water accumulate, over time, that caused the stains. Once you have isolated any leaks & have a dry boat, launch & determine if there are any underwater leaks occurring.
 
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Anomymous 163294

“When“ or before?
is that a question? if so i believe my post answers this. (shakes head) not to be sarcastic or anything. but if you read my post it says when i get new boats. i clean them fix them, and then add goodies. if i did this before i got a new boat i would be wasting my time and money as i wouldnt do that for the po.
 
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Anomymous 163294

After thoroughly cleaning the inside of the cabin, hopefully you can determine any leak source after a heavy rain or by flooding the deck with a water hose. Possible that there are leaks around deck hatches, chainplates, mast support, & deck mounted hardware. If the PO wasn’t using the boat & inattentive, perhaps the boat had water accumulate, over time, that caused the stains. Once you have isolated any leaks & have a dry boat, launch & determine if there are any underwater leaks occurring.
i am really hoping that there is no leaks, as i asked the po in conversation already if it leaked and he said not as far as he knows. (it was his uncles). ( both older gents) needs alot of cleaning and tlc for sure. and im up for this challenge. i am seriously hoping that it was just a mark from the rubber backed carpet over the years and that it got wet and left those marks? i will test that theory when it gets here. as i dont drive i cannot get to his place to look it over before the trade. so i always go into things blind . thats how i roll. sometimes i am lucky sometimes i am not. im working my way up the ladder to a full time live aboard. the 20 seems like its a fit so far for the trade. as the po wants a fishing boat and i have that and i want a sailer live aboard. i know bigger is better but around here i can sell this for the same price they want for a 28 if not higher. and buy that . but this wont be for a lil bit as i want to learn on this first and get used to it. before going bigger.
 
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Anomymous 163294

Note that if it was on the trailer when it filled, you may have some hull damage around where the support bunks of the trailer are pressing on the hull.
thank you for that, i would of overlooked that if you didnt mention it. cheers
 
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JBP-PA

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Apr 29, 2022
789
Jeanneau Tonic 23 Erie, PA
Check the compression post right next to the bulkhead. If the cabinet was sitting in water, meh, it looks bad. If the compression post is staring to rot, that's something you want to fix because it supports your mast.
 
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Anomymous 163294

Check the compression post right next to the bulkhead. If the bulkhead was sitting in water, meh, it looks bad. If the compression post is staring to rot, that's something you want to fix because it supports your mast.
the compression post being the edge of the bulkhead? i was thinking on redoing the bulkhead totaly with a complete redesign. i think a full sheet 1/4 inch maybe 3/8 ply would suffice. the new bulkhead would be the same as the picture below except turned around to match the counter side. thats what i want to do with one full sheet. seems doable and looks great and serves more than one purpose
 

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JBP-PA

.
Apr 29, 2022
789
Jeanneau Tonic 23 Erie, PA
the compression post being the edge of the bulkhead? i was thinking on redoing the bulkhead totaly with a complete redesign. i think a full sheet 1/4 inch maybe 3/8 ply would suffice. the new bulkhead would be the same as the picture below except turned around to match the counter side. thats what i want to do with one full sheet. seems doable and looks great and serves more than one purpose
Yes, upon closer inspection of your photo it looks like the bulkhead serves as compression post and what i initially thought was your compression post is actually just trim. I would think 3/8 is far too light if so. That location needs strength to support the mast. You could add a more conventional compression post as in your second picture, then the plywood could be whatever. Marine plywood lasts longer. Furniture grade plywood is OK. Ordinary plywood does not live long in boats.
 
Sep 25, 2008
7,695
Alden 50 Sarasota, Florida
is that a question? if so i believe my post answers this. (shakes head) not to be sarcastic or anything. but if you read my post it says when i get new boats. i clean them fix them, and then add goodies. if i did this before i got a new boat i would be wasting my time and money as i wouldnt do that for the po.
Just looking for clarity. What you wrote:
“thats what i do when i get new boats. i go over every aspect of them”
implies you thoroughly inspect the boat after you “get” it as in after you buy it.

Regardless, that bulkhead is structural, not cosmetic and must be strong enough to take the compression load of the mast.
 
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Anomymous 163294

Just looking for clarity. What you wrote:
“thats what i do when i get new boats. i go over every aspect of them”
implies you thoroughly inspect the boat after you “get” it as in after you buy it.

Regardless, that bulkhead is structural, not cosmetic and must be strong enough to take the compression load of the mast.
yes meaning after i get it. anyways yes i know about bulkheads. however with the redesign that i show , it should be structurally sound to support the loads that are going to be against it. ? i also want the feeling of more space as closed in seems like its small. so structurally and cosmetic are what i am looking for.
 
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Anomymous 163294

Yes, upon closer inspection of your photo it looks like the bulkhead serves as compression post and what i initially thought was your compression post is actually just trim. I would think 3/8 is far too light if so. That location needs strength to support the mast. You could add a more conventional compression post as in your second picture, then the plywood could be whatever. Marine plywood lasts longer. Furniture grade plywood is OK. Ordinary plywood does not live long in boats.
would you suggest that i go full inch thick? would seem more logical?
 

JBP-PA

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Apr 29, 2022
789
Jeanneau Tonic 23 Erie, PA
Hmm, as an armchair engineer, I'm thinking 3/4 marine grade. What is the current bulkhead? Another option is to use perhaps 1/2 and double the compression post spot?

I like the open layout of your second example photo best though.
 
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Anomymous 163294

Hmm, as an armchair engineer, I'm thinking 3/4 marine grade. What is the current bulkhead? Another option is to use perhaps 1/2 and double the compression post spot?

I like the open layout of your second example photo best though.
the second photo is what i want to do but flipped to match first pic. i noticed the compression post in behind the wood center beam in pic number 2 . so there is support there not just wood. not sure what current bulkhead is yet. have not got it home. hopefully this weekend it will be here. . im anxious to delve into this . so many ideas i have seen on compression posts. seen one that used a spindal for a staircase. .
 
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Mar 2, 2019
672
Oday 25 Milwaukee
Hopefully this will help . Our Oday 25 has 1/2" thick bulkheads . The bolts in chainplates had elongated the holes in the bulkheads .
My thought was to replace them with 1" . So I bought a 1" thick 4 foot by 8 foot cherry board .Very expensive , several hundred dollars .
Know what ? It was too thick to slide in the slots .It was also too stiff to follow the curves the original half inch did easily .
After several minutes of muttering to myself about the money not well spent . I started over . Back to half of an inch .I chose maple for it's light color .
I also sealed all the through holes and end grains with epoxy before I installed it . The roof is very solid .
 
A

Anomymous 163294

Hopefully this will help . Our Oday 25 has 1/2" thick bulkheads . The bolts in chainplates had elongated the holes in the bulkheads .
My thought was to replace them with 1" . So I bought a 1" thick 4 foot by 8 foot cherry board .Very expensive , several hundred dollars .
Know what ? It was too thick to slide in the slots .It was also too stiff to follow the curves the original half inch did easily .
After several minutes of muttering to myself about the money not well spent . I started over . Back to half of an inch .I chose maple for it's light color .
I also sealed all the through holes and end grains with epoxy before I installed it . The roof is very solid .
ouch on the expensive wood. lesson learned i hope. lol ok so 1/2 inch it is marine grade is what i will be going after 1 full sheet 4x8 then do my cutouts and then add compression post for added security
 

JBP-PA

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Apr 29, 2022
789
Jeanneau Tonic 23 Erie, PA
I think you could use a solid wood compression post. White oak might be nice. Black locust too. What you can get depends on where you live or you can order online from some places. That would be a lot easier than trying to source a stainless one (unless you have some connections). A 4 inch round or octagonal post would look nice. You could check with an engineer, but for a 20ft boat I think it would be fine. Then some furniture grade plywood of 1/2 inch.