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bilge system

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movimiento View Drop Down
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    Posted: 02 March 2008 at 18:46
Hi,
 
Did anyone had water or any other flued into a Hanse 430 and how did you get it out?
 
The bilge system, manual and electric pump, seem to be made only if water comes through the saildrive area. Or if your boat is filled up to your knies.
 
I am looking for experience and solutions how to make a better bilge system. 
 
I encluded a picture from a 370 that Hans Leijnse took in Greifswald, were you can see how the framework under the salon floor prefents water to flow to the lowest point.
 
 
Furthermore I discovered that the frame itself is hollow, cables and tubes are running trough it. The fabric made nice holes in them to make sure the water can also float in there.
 
 
To make it even more interesting the kitchen and furniture are build on top of a big part of the floor, especially on starboard. Looking from the aft cabins forward under the floor you can see that there is space between the hull and the back of the funiture (first picture) and a little lower a third level between the frame and the floor (second picture, you can see the water tubes for the front toilet running).
 
 
 


Edited by movimiento - 02 March 2008 at 18:48
Hanse 430e #68
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Richard108 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard108 Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 07:17

Hi Ivo

I also have been considering these issues about bilge pumps in my 540.  The 540 does not have holes in the frame, however the structure is similar. 


In a few places I have found unintentional small holes in the bog between the frame and the hull that serves to let a trickle of water through including the water sloshing around in the hollow frame.  I have not yet found how this water is getting into the frame but am working on it.

 I found the roving bilge pump good to remove water from the many compartments but I have also had it get blocked with debris from the bilge and it is not much use if you are not on the boat or donít realise the problem.

 I have set the boat up for extended cruising in mind.  I may have gone overboard but I am now comfortable with my bilge pumps.

I have added three float switch bilge pumps so now I have 4.  They are in
1.   Forward sail locker bilge
2.   The bilge just in front of the mast near the transponders
3.   The boat came with one in what I call the galley bilge
4.   The bilge in the garage (the 540 has a large garage and a false liner to the garage).  After I drilled a hole in this liner I found 250 litres of water in there.  A picture of the one in the sail locker is shown below.


I also have a bilge pump counter to tell me how often the automatic bilge pumps are operating as well as high water alarms.

I also added a large manual bilge pump (see photo below) that has pipes leading to a number of different bilge areas.  A manual biglr pump below decks is a requirment for Cat 1 and 2 racing here.  The pump can only pump from one bilge at a time.  I can switch the bilge to be pumped by turning a lever.

 

On top of all these bilge pumps, as I have an inverter, I have installed a 240 volt high capacity bilge pump (see photo below).  It is mounted on top of my engine with my DC generator.  This pump uses the same pipes as the manual bilge so I can only operate one of these at a time.


Regards Richard



("Moksha" 540 #115 delivered Sept 2007)

Pittwater, Sydney, Australia
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movimiento View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote movimiento Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 07:38

Hello Richard, thank you very much for charing your information and pictures.

I admire your system, it is a little to complex for me. I like to keep it more simple when possible.

I am aming for a pump that works like a vacuum cleaner, with a long hose that can cover most of the area. Either on electric or manual one and that I can connect on one of the tubes/ outlets through the hull from the excisting bilge pumps.
 
Ivo
 
Hanse 430e #68
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard108 Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 07:48
Hi Ivo

The 540 comes standard with one of the vacuum cleaner type hoses.  In my boat it can cover all bilges.  Perhaps you could get one from the factory. 
Regards Richard



("Moksha" 540 #115 delivered Sept 2007)

Pittwater, Sydney, Australia
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movimiento View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote movimiento Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 07:55
Ok! I will ask Hanse. Do you have specifications, does this pump has a name, maybe a picture?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard108 Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 09:15
It is called "roaming Bilge Pump"  See pictures below of the pump, strainer and hose and how it all connects together below.










Regards Richard



("Moksha" 540 #115 delivered Sept 2007)

Pittwater, Sydney, Australia
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movimiento View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote movimiento Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 12:02
Wonderfull Richard, thank you very much!
Hanse 430e #68
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard108 Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 20:01

Hi Ivo

Please note that I have put the label "Roaming Bilge Pump" on the Jabsco pump.

It is probably easier to source the different parts yourself than try to get them from the factory.

Regards Richard



("Moksha" 540 #115 delivered Sept 2007)

Pittwater, Sydney, Australia
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movimiento View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote movimiento Quote  Post ReplyReply Direct Link To This Post Posted: 03 March 2008 at 20:38
Noted, I am going to try to integrate the standard hand bilgepomp in the solution you showed. Don't know how yet and if it's going to work, when it does I let it know.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote colincooper Quote  Post ReplyReply Direct Link To This Post Posted: 04 March 2008 at 08:15

Great pics of where the pumps are sited and where they pump from - but whare do they pump to?  Do they all go into the one tube runnning out the back?  Or to new skin fittings?  If just one do they need a valve or switch in the piping to stop pumping from one area to another?



Edited by colincooper - 04 March 2008 at 08:15
Colin (owner of Hilde - a 370)
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