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Holding tank and bilge |
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lee
Lieutenant Joined: 19 June 2016 Location: Melbourne Status: Offline Points: 34 |
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Posted: 16 October 2016 at 09:10 |
Having repaired a leak at the top fitting on the holding tank and the smelly residue being cleaned from all the bilge access points, we still had quite an odour in the boat. I sprayed an antibacterial liquid behind the tank and then washed it down with hot water from the shower. I gave it a good wash......I'm guessing 5 litres or so of water......expecting it to flow through to the bilge pump.
Great result.......all odour gone. One problem remains.......where is the water ? The bilges were all super clean and dry before I sprayed all the water and they remain that way.......650 nm later and absolutely no sign of the water anywhere. The boat has been well heeled over both ways many times for hours and up and over about a million 4 metre swells. I would have thought any trapped water would find the bilge pump. I'm puzzled. Lee |
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415 Singapore
Vice Admiral Joined: 23 September 2013 Location: Singapore Status: Offline Points: 826 |
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Hi the water will be in the stringers which all have holes in to allow the cables to pass through. On Night Train the lowest point is the area behind the keel, if you lift the small floor hatch beside the kitchen cabinets you will see a hole in the stringer. If you put a small hose hand pump down this you can pump out a surprising amount of water.
We know have a couple of cheap squeezy hand pumps on board, but before that use the hand pump from the washing up liquid bottle Good luck Paul PS if this is the first time you have had water in the bilges, it isn't sand you pump out, it is fibreglass dust from when they drilled the holes, very itchy so wear gloves!
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Paul - Night Train - 415 #136
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Simon L
Lieutenant Joined: 19 May 2016 Status: Offline Points: 40 |
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Do you have an oil extraction pump for changing the engine oil? I put the thin tube of my PELA through the little holes that Paul refers to and suck out what water I can. The alternative is to keep pouring lots of water in until it comes up to your bilge pump level. However, given your quite appropriate concern on the "residue", I'd be wanting to pump from the lowest point, where it will all collect.
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Rubato
Admiral Joined: 12 July 2006 Location: Canada Status: Offline Points: 1791 |
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It's amazing how much water can hide in the stringers and see no evidence of it in the inspection areas. I used a wet/dry vaccum to suck it out. Just pushed the hose near one of the holes in the stringer near the keel area and it sucked it out - had to dump out many loads of water from the vacuum
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Steve
Hanse 400e, #168 |
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Fendant
Admiral Joined: 03 November 2012 Location: Switzerland Status: Offline Points: 1617 |
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I did use a little oil extraction pump as suggested above. This year we removed abot 20 ltr of water hiding inside the stringers. I am thinking about a little electric gear pump with a thin hose to be fixed permanently and used occasionally to drain the stringer.
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Frank
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lee
Lieutenant Joined: 19 June 2016 Location: Melbourne Status: Offline Points: 34 |
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Thanks guys, we will go in search of water in the stringers.
Lee |
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SausalitoDave
Commadore Joined: 13 October 2014 Location: Sausalito Status: Offline Points: 366 |
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I have a de-humidifier running whenever I am not on the boat. It is amazing how much water it sucks from the air and how its use has reduced corrosion of the metal parts in the heads. I assume a lot of that water is hiding in the stringers.
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415 Singapore
Vice Admiral Joined: 23 September 2013 Location: Singapore Status: Offline Points: 826 |
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Hi this piece of hull construction was on the Hanse stand at a boat show a few years ago, looks like from a bigger boat than a 415, but same principle, good and strong but lots of space for water collection!
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Paul - Night Train - 415 #136
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