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Leaking 1985 C25

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Naughtycal
Deckhand

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USA
3 Posts

Initially Posted - 10/26/2010 : 10:46:51

We sail a 1985 C25. We are having water come into the cabin while under sail. Its running down the wall, mainly noticed on the starboard side, behind the head sink and into the locker below the sink. We suspect the anchor locker is holding water and spilling out while the boat is healed over. We suspect the water may be leaking from under the rub rail. Has anyone had an experience like this, and what did you do? How about replacing the rub rail? Also, any advice in "re-bedding" would be appreciated. Thanks!

Edited by - on

Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 10/26/2010 : 17:12:12

I thought somebody would have responded by now with better ideas than mine. It is unlikely that water from the chain locker would go so far aft before running down between the liner and hull to the bilge, but clearing the locker drain with a wire wouldn't hurt. Water usually comes down close to where it comes in on the nearly vertical sides. Unless you are putting a rail under, water must be collecting somewhere and then running off when heeled or trimmed aft. My first thought would be a leaking chainplate or portlight that is collecting water on the top of the frame that flows down when the trim changes. The first step is finding the source. Use a hose or bucket to pour water over the deck in the suspect area with a helper watching below decks. If it doesn't leak at the chainplates, pour water over the portlight. Tighten all of the screws in the genoa track evenly and check any fittings on the cabin top with the same water technique. Catalina uses a shoebox joint for for the hull/deck, so a serious leak under the rubrail is unlikely. Start checking and keep us updated.

Edited by - on

GaryB
Master Marine Consultant

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USA
4304 Posts

Response Posted - 10/26/2010 : 18:27:14

If you don't get any leaks after trying Dave's idea spray some water up towards the bottom of the rub rail from below just to rule out that it's leaking.

My boat does the same thing if I go out in the bay and it's rough and I've been wondering if it's coming up under the rub rail. If I go out in the lake where it's not normally as rough I don't get any water. It's never more than a cup of water and it doesn't happen all the time.

It hasn't rained a drop in 6 weeks so it's not coming in from above.

Let us know what you find.

Edited by - GaryB on 10/26/2010 18:28:40

Stinkpotter
Master Marine Consultant

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Djibouti
9080 Posts

Response Posted - 10/26/2010 : 21:30:45

Are you in fresh water or salt? Is the water coming in fresh or salty? Is there water in the anchor locker? Do you have an opening port in the head, or fixed? How much are you burying the rail or "washing the windows" under sail?

Edited by - Stinkpotter on 10/26/2010 21:32:17

Naughtycal
Deckhand

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USA
3 Posts

Response Posted - 10/27/2010 : 05:27:14

We are sailing a lake.. so fresh water. We noticed the towel we mopped up some water with didn't smell like lake water, so we suspect rain water. Yes, we do have water in the anchor locker, so I will be addressing that. We've had water come in twice the same way while under sail. The first time I would say the rail was buried, we healed over pretty hard. Not so much the second time as I was purposely trying not to bury the rail. Could have possibly had some water splashing up to the rail though.

Thanks to all that have responded. I'll take all the advice I can get. We will report back what we find.

Edited by - on

mlg3733
Navigator

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118 Posts

Response Posted - 10/27/2010 : 08:32:01

Check your chainplates as well as the stanchions. they probably need to be resealed.

Edited by - on

cat25
Navigator

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USA
140 Posts

Response Posted - 10/28/2010 : 03:20:55

also check the water tank vent. if not tight it will leak.

Edited by - on

Naughtycal
Deckhand

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USA
3 Posts

Response Posted - 11/10/2010 : 10:30:32

Just wanted to report back to the forum on our leak findings.... We couldn't find it.

When we first arrived at the boat, the bilge was bone dry. "Yay". We know we had a couple of days of hard rain in the last two weeks. Then took a hose and sprayed down the deck and sprayed up and down the rub rail. No leaks were seen below. Also, the anchor locker was dry. Took her sailing in some great wind and had her healed over to the rail. No water leaks were seen while under sail. Once we docked, I tightened down every screw on deck I could find. I found several stachion screws, a couple chain plate screws, and a few genoa track screws that needed tightened.

So right now everything looks ok. We'll continue to monitor this and let you know if we find anything. Thanks!

Edited by - on

Prospector
Master Marine Consultant

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Canada
3159 Posts

Response Posted - 11/10/2010 : 14:27:25

What colour was the water in the bilge?

I ask because clear water means the leak is between fittings, with teh water running down theinside of the boat, across the surface of teh gelcoat and into the bilge.

Tan coloured water would be from a leak inside the walls where the water comes in through a fitting, gets soaked into teh wood, and reappears at a lower opening in the deck. The tan coloured water is harder to trace.

Edited by - on

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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.