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27-04-2012, 07:58
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#1
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Registered User
Join Date: Nov 2007
Boat: Beneteau FIRST 42
Posts: 1,836
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Building Water Tanks
So after two sets of plastmo inflatable water bladders, over the last 10 years, I'm thinking of making my own poly tanks..
But the info I've found on the internet is somewhat confusing as far as what goes with what, and at what temps its welded at..
Any help here.......
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27-04-2012, 08:37
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#3
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Registered User
Join Date: Nov 2007
Boat: Beneteau FIRST 42
Posts: 1,836
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Re: building water tanks
I was thinking more in the lines of a solid poly tank..
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27-04-2012, 08:39
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#4
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Pusher of String
Join Date: Feb 2007
Location: On the hard; Trinidad
Boat: Trisbal 42, Aluminum Cutter Rigged Sloop
Posts: 2,314
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Best lads I've seen yet for bladders
http://www.turtlepac.com/en/home.html
Sometimes what you think you save by making it yourself doesn't really add up. Check these and the ones Peter recommended. Water is important on a boat and issues with you water supply can be an unpleasant surprise...
__________________
"So, rather than appear foolish afterward, I renounce seeming clever now."
William of Baskerville
"You will do foolish things, but do them with enthusiasm."
Sidonie Gabrielle Colette
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27-04-2012, 08:50
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#5
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Moderator
Join Date: Aug 2009
Location: Solent, England
Boat: Moody 31
Posts: 18,398
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Re: building water tanks
Quote:
Originally Posted by Randyonr3
I was thinking more in the lines of a solid poly tank..
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Oh hmm, I watched a guy from Tek Tanks make one at a boat show with a glorified soldering iron, a strip of poly something and a couple of sheets of plastic. It looked all very easy making them. You should find everything at a home depot and have the tanks made in an afternoon I think
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27-04-2012, 09:08
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#6
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,453
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Re: building water tanks
well.... you'll need to draw the plan up. anyway... you might as well send it to Tank Depot for a quote when you do. They were amazingly cheap on a project I did....
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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27-04-2012, 10:54
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#7
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Registered User
Join Date: Nov 2007
Boat: Beneteau FIRST 42
Posts: 1,836
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Re: building water tanks
Thats just what I was looking for...................so another project begins
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27-04-2012, 10:56
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#8
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 20,420
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Re: building water tanks
Eh, you lucky ducks living in technically minded cultures.
Here in Canary Islands it is all about 'oh we can order one for you from the catalog'. Building things costs USD 70 per hour of their work plus materials (materials are expensive too as everything except for the blazing sunshine is imported). The final product reminds anything but what you asked for in your order.
I have to weld it myself. Rigid poly plates, some torches and electrodes, etc.. Gluing an option too.
b.
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27-04-2012, 16:15
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#9
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Registered User
Join Date: Mar 2009
Location: Australia, Hervey Bay QLD
Boat: Boden 36 Triple chine long keel steel, named Nekeyah
Posts: 909
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Re: building water tanks
You can make one using a hot air plastic welding gun , the correct tips for the join type and suitable filler rods. The gun is available on eBay. Not all that difficult if you get your temps right.
Regards,
Richard.
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27-04-2012, 16:29
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#10
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 20,420
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Re: building water tanks
Quote:
Originally Posted by boden36
You can make one using a hot air plastic welding gun , the correct tips for the join type and suitable filler rods. The gun is available on eBay. Not all that difficult if you get your temps right.
Regards,
Richard.
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Will the material be polypropylene? Do you know if I can re-use the material or should I rather buy new sheets?
THX
b.
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27-04-2012, 17:35
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#11
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 20,420
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Re: building water tanks
Can we possibly glue such tanks with this:
http://www.stealth316.com/misc/dp8005.pdf
?
b.
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28-04-2012, 03:18
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#12
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Moderator and Certifiable Refitter
Join Date: Jan 2008
Location: South of 43 S, Australia
Boat: C.L.O.D.
Posts: 20,242
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Re: building water tanks
Great thread, I have been putting off making some plywood / epoxy water tanks, I might have to get modern and make plastic ones (OK I know epoxy is plastic, but you know what I mean).
__________________
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity: but the dreamers of the day are dangereous men, for they may act their dreams with open eyes, to make it possible. T.E. Lawrence
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28-04-2012, 07:12
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#13
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 20,420
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Re: building water tanks
The glue looks like it is strong enough but I cannot find health info on it.
Then again there is the economy. No extruded polypro here ;-( Stainless easier to buy so may be I will become a little welder with big red eyes ;-)
b.
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28-04-2012, 16:02
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#14
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Registered User
Join Date: Mar 2009
Location: Australia, Hervey Bay QLD
Boat: Boden 36 Triple chine long keel steel, named Nekeyah
Posts: 909
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Re: building water tanks
I suggest you consult your supplier re the best plastic for the job. Your filler rod will be the same material. There are some good videos on the net which show you how to do the welding. I have welded PVC ( fumes are a hazard) and polyethylene and found it fairly easy if you follow instructions. The polyethylene was an old moulded dinghy which is still OK years later.
You can buy tips to go onto your heat gun, and you feed the filler through a channel in the tip which makes for a good fillet weld, or just use a round tip and feed the rod in freehand.
Regards,
Richard.
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17-05-2012, 07:45
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#15
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Registered User
Join Date: Nov 2005
Posts: 1,156
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Re: building water tanks
Has anyone made further DIY progress on plastic water tanks? I am very interested in doing this for my Peterson 44, which also needs fuel tanks.
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