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Leak in front cabin Hanse 312

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jka View Drop Down
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Joined: 16 October 2017
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    Posted: 16 October 2017 at 11:52
Hello, I have Hanse 312 and recently I have noticed water leak to thefront cabin. Water is fresh and leak seems to happen during heavier rain or when I wash the deck. Moderate rain does not cause anything visible. Leak takes place on a bed level and it is not strong but enough to wet mattress on the top of aft.
I have concluded that one propable place for leak could be anchorbox, but any thoughts or experience is very much appreciated


Edited by jka - 16 October 2017 at 11:57
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jka View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jka Quote  Post ReplyReply Direct Link To This Post Posted: 16 October 2017 at 11:54
please ignore this, I correcetd my original message


Edited by jka - 16 October 2017 at 12:01
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Ta'I Miti 2 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ta'I Miti 2 Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 17:38

Hello JKA

I have a 2004 312 too

Do not have such problems

But, to be sure, you could dismount all ceiling décoration (very easy). 
You would immediately see where the water comes from.

But if you think it comes for the anchorbox, it's easy to solve
2 component + glass fiber

A small 1 hours job

Are you sre it's not condensation under the mattress

I bought the cheapest IKEA foldable bed frame (http://www.ikea.com/be/fr/catalog/products/90160211/) and this is the cheapest way to get fresh air under the mattress




Not only those who wander are lost

I've learn that the best way to learn about people is to sail with them
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samuel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samuel Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 20:38
There is a gap between the bulkhead at the aft of the anchor box & the deck & i had to fill mine with foam as this was the easiest option. However, I only had the problem when the anchor box filled with seawater on a rough passage when the drain got clogged. This does not seem to be your problem. When I had it the water actually went right through to the saloon seating.
What it could be is a poor seal to the base of the pulpit. This is bolted into the anchor locker & i found that mine was not actually bolted correctly but instead of an 8mm nut it had a 10mm nut slid on to the thread & bedded in sikaflex. if yours is the same, due to incompetent workmen, then a leak here could be running back into the cabin. The other source of a leak is the hatch or around the gunwhale. The latter being harder to trace. If you suspect a particular point sprinkle some talcum powder around the area & you will soon see if water has trickled across it.
Of course one can get a lot of condensation on the underside of the mattresses in certain conditions leading one to think that there is a leak
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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grumpydatagit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote grumpydatagit Quote  Post ReplyReply Direct Link To This Post Posted: 18 October 2017 at 17:48
If it helps, I had the same sort of problem on my 315 when I bought in in 2015 ( 2007 vintage) which I finally traced down to the sealant around the lewmar hatch. When I finally got it off you could see where the sealant had got old and had crumbled away. I did all the other hateches in the cabin roof just in case. I guess where the strain from the mast and self-taking rail distort the cabin roof when sailing the old sealant when it hardens  with age breaks up and allows the water in.
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Andrew View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Andrew Quote  Post ReplyReply Direct Link To This Post Posted: 16 November 2017 at 06:35
Mine also had a gap between the aft joint of the anchor locker an deck/bulkhead. It was very differcult to find. I eventually found it by filling the anchor locker up until it was completly over-flowing.
The solution is to fill the joint with epoxy so it is completly watertight.
Andrew
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