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Water on Cabin Floor, CD 25

 
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msgchef



Joined: 31 Dec 2014
Posts: 55
City/Region: Washington
State or Province: NC
Photos: Seaweed
PostPosted: Mon May 29, 2017 4:38 pm    Post subject: Water on Cabin Floor, CD 25 Reply with quote

this was a first for me. Came aboard and had about a quart of water in the cabin under the dri deck flooring. Had torrential rain the day before and did not have my cockpit cover on. My question is: Can water flow from the bilge area of the cockpit under the head/shower flooring to the bilge area of the cabin step. There is a bilge pump in the step but I do not believe enough water flowed there to activate it. Or is the bulkhead supposed to be sealed between the two areas and I have to now look for a leak somewhere where one cannot see.

Thanks
Paul

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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Mon May 29, 2017 6:12 pm    Post subject: Reply with quote

Each boat is slightly different. I have seen couple of boats where the aft bulkhead was not fully tabbed to the bottom of the hull outboard in 25's, and water got into the the cabin thru this area--and in at least one, there was some intrusion into the core of the aft bulkhead.

In my 25, the well under the step was sealed from the cabin.--and there was an opening to the area under the cockpit. In my friends 2005, there is an opening between that step sump and the cabin floor--and it appears that water comes from the under the aft cockpit floor, into the sump, and then into the cockpit.

In my 22 recently I found water comping in via the grab handles on upper bulkhead or the rails, and then into the core--and eventually getting into the floor. I repaired the area where the water came in--and no more problem, after sealing all of the railings. Also check windows, rub rail, and even foredeck/ancohr locker.

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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
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Home port: Pensacola FL
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localboy



Joined: 30 Sep 2006
Posts: 4656
City/Region: Lake Stevens via Honolulu
State or Province: WA
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: 'Au Kai (Ocean Traveler)
Photos: 'AU KAI
PostPosted: Mon May 29, 2017 7:40 pm    Post subject: Reply with quote

Just a thought, but ours had the same once when the shower bilge failed (under the closet floor) but we were using the shower.
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msgchef



Joined: 31 Dec 2014
Posts: 55
City/Region: Washington
State or Province: NC
Photos: Seaweed
PostPosted: Tue May 30, 2017 11:15 am    Post subject: Reply with quote

Thanks, Mine is like Dr. Bob's friend, sump in the step with a cutout forward to allow water to enter the cabin. Haven't spent any stormy days on the boat to hard to determine penetration from other areas but will do some inspections regardless to see what we see.
Paul
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nytopher



Joined: 28 Oct 2015
Posts: 10
City/Region: Comox
State or Province: BC
C-Dory Year: 2006
C-Dory Model: 25 Cruiser
Vessel Name: C Gypsy
Photos: C Gypsy
PostPosted: Tue May 30, 2017 6:19 pm    Post subject: Reply with quote

Hi Paul.
I found the same condition on my 25' last year and after extensive flood testing with a hose I found water coming in on the starboard side sliding window. From here it would get down behind the sink cabinet. The deck in this area has some flutes built into it so it will tend to hold some water without spilling over but when it does it would track along the head wall and run down to the interior bilge area and pool. Believe me this was not easy to find as there was no trace of where the water was coming from so I was looking in the cockpit area for a leak. Anyways I resealed the window and have not had a problem since.
Hope this helps.

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Chris Smith
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homerjack



Joined: 12 Mar 2011
Posts: 186
City/Region: Homer
State or Province: AK
C-Dory Year: 1988
C-Dory Model: 22 Cruiser
Vessel Name: 49er
Photos: 49er
PostPosted: Tue May 30, 2017 7:05 pm    Post subject: Reply with quote

Interesting. Can you please explain how you resealed the window Chris?
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msgchef



Joined: 31 Dec 2014
Posts: 55
City/Region: Washington
State or Province: NC
Photos: Seaweed
PostPosted: Wed May 31, 2017 8:32 am    Post subject: Reply with quote

Wow, Water does know how to travel. Will check out that possibility today
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Ferg



Joined: 18 Jun 2015
Posts: 187
City/Region: Oak Island
State or Province: NC
C-Dory Year: 2008
C-Dory Model: 25 Cruiser
Vessel Name: Here & Now
Photos: Here & Now
PostPosted: Thu Jun 01, 2017 8:48 am    Post subject: Reply with quote

Chris, I've came to the same conclusion (through the windows), but I can't see any water below the frame inside of the cabin.
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smckean (Tosca)



Joined: 18 Jan 2014
Posts: 974
City/Region: Guemes Island (Anacortes)
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Tosca
Photos: Tosca
PostPosted: Thu Jun 01, 2017 12:18 pm    Post subject: Reply with quote

Perhaps my recent experience in my CD25 provides a possibility....

I've had water (few cups at a time) on the cabin sole. It was very hard to diagnose. The water was always fresh (or nearly fresh); therefore, I thought it was a leak from the water system.

The leak turned out to be under the steps in the cockpit that helps one step up to the gunnel. On a factory intact boat perhaps this can not happen, but on my boat those steps were modified when the fuel tank had to be replaced.

This problematical issue was not the leak per se, but that the water that came in at the forward end of the cockpit (near the cabin bulkhead), under those steps, ran down into a "channel" molded into the inside of the CD25 (2005) hull. This "channel" is just at the spot where the topsides of the boat take a hard chine that starts the curve toward the bottom. This "channel" runs nearly the length of the boat and is about 1/2" to 1" deep. I'm not sure one can see this "channel" from anywhere in the boat. I finally saw it by looking into the hole created when I finally removed that modified step in the cockpit. I noted that water had collected in this "channel".

The tricky part is that this "channel" is high on the boat and can carry water fore and aft along the boat's interior well above the cabin sole and such things as shower bulkheads or whatever. Also tricky for me was that in attempting the trace the location of the leak, the water could show up first almost anywhere fore and aft on the cabin sole. It also tended to show up only after the boat was in rough water.

Here's what was happening.....fresh water from rain or wash down in the cockpit would accumulate in this channel, and then spill out almost anywhere along the interior sides of the boat onto the cabin sole when the boat rocked from side to side. In heavy rains, no rocking was required for water to appear on the cabin sole

Attaching the modified cockpit steps in a much more secure fashion and replacing the caulking that had cracked due to the flex the steps experienced due to inadequate attachment completely solved this sticky problem.
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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Thu Jun 01, 2017 1:52 pm    Post subject: Reply with quote

smckean (Tosca) makes an excellent point (At least in the boats which are the 2005 (and perhaps other years). This "step" was not properly tabbed into the cockpit deck from the factory. (It was not a result of the deck being replaced, but the way that those boats were produced). I would tab in the step, or at the very least be sure it is properly sealed. There can also be core in the cockpit floor issues from this water intrusion.

The 22 and 25 have a "reverse chine", which slopes outward, rather than inward as most of the bottom. This is to give more lift. The amount of water that can be trapped can vary, but it can be a place where water can come into the cabin, if the bulkhead is not properly tabbed into the bottom of the hull at this point. It is more work--and I suspect that most aft bulkheads were just cut at the contour of the bottom, ignoring this "dip" at the chine. Thus there was either no tabbing or poor tabbing. In at least two occasions I know of, there was some water intrusion into the aft bulkhead.
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