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Post by Fogg on Nov 9, 2021 16:53:49 GMT 12
Has anyone ever used baffles (or anything else) to quieten down a noisy water tank that slops around when it’s half full. Cleverly placed right under the master bed so in anything other than a flat calm anchorage it gives you the slops (thanks a lot Jeanneau) 🙄
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Post by Fogg on Nov 9, 2021 17:08:49 GMT 12
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Post by ComfortZone on Nov 11, 2021 8:02:27 GMT 12
Has anyone ever used baffles (or anything else) to quieten down a noisy water tank that slops around when it’s half full. Cleverly placed right under the master bed so in anything other than a flat calm anchorage it gives you the slops (thanks a lot Jeanneau) 🙄 I thought I knew all the "tricks" the production boat builders use to save money, but unbaffled tanks, which are quite dangerous in a big sea, are a new one on me. Inspection ports (the screw in jobs) are typically 150 - 200mm dia if that helps. |
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Post by Fogg on Nov 11, 2021 8:15:02 GMT 12
Has anyone ever used baffles (or anything else) to quieten down a noisy water tank that slops around when it’s half full. Cleverly placed right under the master bed so in anything other than a flat calm anchorage it gives you the slops (thanks a lot Jeanneau) 🙄 I thought I knew all the "tricks" the production boat builders use to save money, but unbaffled tanks, which are quite dangerous in a big sea, are a new one on me. Inspection ports (the screw in jobs) are typically 150 - 200mm dia if that helps. Thanks. Nice profile pic btw... it looks like a white version of Fogg! What is it? |
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Post by ComfortZone on Nov 11, 2021 10:32:18 GMT 12
I thought I knew all the "tricks" the production boat builders use to save money, but unbaffled tanks, which are quite dangerous in a big sea, are a new one on me. Inspection ports (the screw in jobs) are typically 150 - 200mm dia if that helps. Thanks. Nice profile pic btw... it looks like a white version of Fogg! What is it? it looks like a white version of Fogg! - wash your mouth out!  NZ custom built Farr 13.99 stretched to 14.5, original build to the design, Mustang Sally in GH is a latter (Australian) build to the Mk II version modified for Smiths (Whangarei) who built 2, one now in Kerikeri (The Night Train), the other in Seattle (Beach Party). There is a 5th unfinished one that came off the same moulds as mine still sitting in a shed in Avondale after starting nearly 40 yrs ago. |
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Post by GO30 on Nov 11, 2021 11:08:13 GMT 12
Thanks. Nice profile pic btw... it looks like a white version of Fogg! What is it? it looks like a white version of Fogg! - wash your mouth out! Now that how you correct someone I changed from bladders to fixed, made sure when emptied there is no pooling. Also put inspection ports on top so I can wipe them dry for race mode and when changing from water to G&T when just day sailing. I put in one baffle in each just to stop the noise. |
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Post by Fogg on Nov 11, 2021 13:33:48 GMT 12
What did you baffle(s) look like?
I’ve heard of balls being used but also mesh / grid structures being used?
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Post by Fogg on Nov 11, 2021 13:36:25 GMT 12
Thanks. Nice profile pic btw... it looks like a white version of Fogg! What is it? it looks like a white version of Fogg! - wash your mouth out! NZ custom built Farr 13.99 stretched to 14.5, original build to the design, Mustang Sally in GH is a latter (Australian) build to the Mk II version modified for Smiths (Whangarei) who built 2, one now in Kerikeri (The Night Train), the other in Seattle (Beach Party). There is a 5th unfinished one that came off the same moulds as mine still sitting in a shed in Avondale after starting nearly 40 yrs ago. I looked at Mustang Sally a few years ago when the then owner was considering selling. It was a great boat in ever respect except for one show-stopper - headroom. At 6’2” I couldn’t stand up in most parts of the interior. Which put an end to that idea unfortunately. |
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Post by GO30 on Nov 11, 2021 19:52:52 GMT 12
What did you baffle(s) look like? I’ve heard of balls being used but also mesh / grid structures being used? Sort of like plywood with big holes in it...but only because they are plywood with holes it them.
The tanks were flowcoated silly, the potable water OK flowcoat....and the same I used in the shit holding tank, thinking of the fishes welfare of course.
I have heard of a boat that had mesh baffles. It was described to me as sounding just like shade cloth. Not sure about real shade cloth but a wisely picked cloth could be quite effective and without reducing volume.
Don't know about balls, if you used them they would want to be very soft of they would be tapping away all night annoying you. But soft would also suggest they could be a base for icky to hang onto them expand off  ? |
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Post by Fogg on Nov 19, 2021 14:07:00 GMT 12
I am slightly worried about the potential for noise if they start banging around - but maybe that's the lesser of two evils if the sound of the water itself is reduced?
I've previously seen some kind of folding plastic mesh / foam that can be inserted in through the inspection hatch and then it expands to float across the surface of the tank - but I can't find it online anymore. Anyone know what I mean?
I've also just watched an American truck driver stuff some lengths of plastic hose into a tank (the largest dia. that would fit in through the inspection hatch) and he claims it works really well - but maybe that's more from vehicle stability perspective that noise?
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