fudd Posted February 16, 2017 Author Report Share Posted February 16, 2017 I blacked the boat last summer. Under the cratch is not insulated. But two litres over night!!! Orb goes directly out the side of the boat. No signs of leaks anywhere. "Orb" ferchrissakes. Prv. Link to comment Share on other sites More sharing options...
Peter-Bullfinch Posted February 16, 2017 Report Share Posted February 16, 2017 I haven't a solution to your leak but nappies from Aldi are quite cheap and are very effective at mopping up a surprising amount of condensation in the bilge in winter. Link to comment Share on other sites More sharing options...
zenataomm Posted February 16, 2017 Report Share Posted February 16, 2017 What is PRV? Link to comment Share on other sites More sharing options...
cereal tiller Posted February 16, 2017 Report Share Posted February 16, 2017 What is PRV? Pressure Release Valve Link to comment Share on other sites More sharing options...
Ex Brummie Posted February 16, 2017 Report Share Posted February 16, 2017 Do you have a mid engine compartment or is it at rear? You say it is slower with a full water tank. If there is any water in the engine bilge, it may be migrating from there but slower if the stern is higher. Link to comment Share on other sites More sharing options...
fudd Posted February 16, 2017 Author Report Share Posted February 16, 2017 The cabin bilge is totally separate from the engine bilge. It's not slower with a full tank. Link to comment Share on other sites More sharing options...
bizzard Posted February 17, 2017 Report Share Posted February 17, 2017 You could try filling a few pots and pans with water for a day or so's use and then switch the pump off, crack open hot and cold taps to relieve the pressure and see if it makes a difference with no pressure in the system. Link to comment Share on other sites More sharing options...
frahkn Posted February 17, 2017 Report Share Posted February 17, 2017 The cabin bilge is totally separate from the engine bilge. It's not slower with a full tank. It seems to me that taking this post with nos. 21 and 26, the answer must be that you are imagining the water in your bilge. You have ruled out any possible cause of the problem you first asked about. Frank. Link to comment Share on other sites More sharing options...
bizzard Posted February 17, 2017 Report Share Posted February 17, 2017 (edited) It could be a case of sleep walking and having a wee somewhere, like in the lounge, going back to bed and waking next day knowing nothing about it. My sister caught my nephew doing this on the landing when he was little. She led him back to bed, he new nothing at all about it next day. I suppose its better than wetting the bed though. Edited February 17, 2017 by bizzard Link to comment Share on other sites More sharing options...
WotEver Posted February 17, 2017 Report Share Posted February 17, 2017 If its not leaking windows and it's not condensation and it's not a plumbing leak from pipes or shower then it's a hole in the hull. There's nothing else left. Link to comment Share on other sites More sharing options...
fudd Posted February 17, 2017 Author Report Share Posted February 17, 2017 Well it must be condensation. I'm just surprised how much there is. Thank you. Link to comment Share on other sites More sharing options...
Sea Dog Posted February 17, 2017 Report Share Posted February 17, 2017 Well it must be condensation. I'm just surprised how much there is. Thank you. I'm skeptical: 2 litres sounds like a lot of condensation, and many others would have the same issue if it was that. Just because you haven't found a leak yet doesn't mean there isn't one. Have you tried placing a sheet of kitchen paper under all fluid system joints, valves and fittings? Leak water might well be running away from the source leaving little trace whereas the smallest drip leaves a damp stain on kitchen paper. I'd start at all those potentially leaky bits of the fresh water pumping system up forward - tank valve, strainer, pump, accumulator and associated joints, where a mix of pump vibration and rigid pipework can often be problematic. Also get some sheets under all taps and drains, including the toilet system. You might rule out your engine cooling or heating systems if they aren't needing to be topped up. Good luck in your quest! Link to comment Share on other sites More sharing options...
mross Posted February 17, 2017 Report Share Posted February 17, 2017 We keep our hopper windows open - all of them. When drying clothes we light the stove in the boatman's cabin. The stove in the saloon is on almost 24/7 in the cold winter and we get no condensation (apart from on the window frames at night). Are you using a stove? We also have the mushroom vents well open. Link to comment Share on other sites More sharing options...
fudd Posted April 20, 2017 Author Report Share Posted April 20, 2017 Morning. I think I've found the problem. The stainless water tank could have a leak. Is there any way of lining it? There's an inspection hatch with reasonable access. I think it would be a bit of a mare to replace it. Link to comment Share on other sites More sharing options...
WotEver Posted April 20, 2017 Report Share Posted April 20, 2017 1 minute ago, fudd said: Morning. I think I've found the problem. The stainless water tank could have a leak. Is there any way of lining it? There's an inspection hatch with reasonable access. I think it would be a bit of a mare to replace it. Is the leaky bit accessible? I'm wondering if it could be patched. Link to comment Share on other sites More sharing options...
fudd Posted April 20, 2017 Author Report Share Posted April 20, 2017 That's what I was hoping. I'll have a look at the weekend. I could probably get my head in the inspection hatch. Link to comment Share on other sites More sharing options...
fudd Posted April 20, 2017 Author Report Share Posted April 20, 2017 A friend has just told me that I could get some sort of bladder to line it with. Link to comment Share on other sites More sharing options...
Alan de Enfield Posted April 20, 2017 Report Share Posted April 20, 2017 6 minutes ago, fudd said: A friend has just told me that I could get some sort of bladder to line it with. If you give Midland Chandler a call and tell them you want a 'slack-bladder' they may be able to advise. Link to comment Share on other sites More sharing options...
fudd Posted April 20, 2017 Author Report Share Posted April 20, 2017 Thank you. Link to comment Share on other sites More sharing options...
rusty69 Posted April 20, 2017 Report Share Posted April 20, 2017 11 minutes ago, Alan de Enfield said: If you give Midland Chandler a call and tell them you want a 'slack-bladder' they may be able to advise. Isn't that a TV series? Link to comment Share on other sites More sharing options...
Alan de Enfield Posted April 20, 2017 Report Share Posted April 20, 2017 1 minute ago, rusty69 said: Isn't that a TV series? It was (well a very similar name) Currently re-running on Freeview Ch 19 Link to comment Share on other sites More sharing options...
BWM Posted April 20, 2017 Report Share Posted April 20, 2017 1 hour ago, fudd said: Morning. I think I've found the problem. The stainless water tank could have a leak. Is there any way of lining it? There's an inspection hatch with reasonable access. I think it would be a bit of a mare to replace it. Is your stainless tank insulated? If not they have a huge capacity to generate condensation. Link to comment Share on other sites More sharing options...
Chewbacka Posted April 20, 2017 Report Share Posted April 20, 2017 45 minutes ago, Alan de Enfield said: If you give Midland Chandler a call and tell them you want a 'slack-bladder' they may be able to advise. Isn't that what happens as you get older?? Link to comment Share on other sites More sharing options...
Sea Dog Posted April 20, 2017 Report Share Posted April 20, 2017 2 minutes ago, BWM said: Is your stainless tank insulated? If not they have a huge capacity to generate condensation. Once it has a hole in it which is filling your bilges, I think condensation becomes a side issue! Link to comment Share on other sites More sharing options...
fudd Posted April 20, 2017 Author Report Share Posted April 20, 2017 It isn't insulated, but thinking about it, if it is empty then it wouldn't be as prone to condensation. Now I still don't know if it leaks. Link to comment Share on other sites More sharing options...
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