As part of the remedial work on a 1984 P40, I believe that my Port water tank has a small pin hole in it, and if experience from when the starboard one went the same, finding and repairing the possibility of ongoing pin holes appearing, it most probably needs replacing. Has anyone any good/bad words about the various replacement construction materials. As I’m in Australia your local suppliers are not much help but any experiences of materials would be helpful.
Regards
John Wither
Perth, Australia.
My first try would be a specialized two part epoxy. Not the stuff at big box stores. Look up two part epoxy at www.mcmaster.com
This site has sorting filters for size, tube, cartridges, and even applicable materials such as stainless steel or food grade application. If a tank is really bad, replacement may be the way to go. For a pin-hole, I would try the epoxy route first.
This website has a myriad of industrial products and tools. Many have application to our beloved vessels.
Regards,
Bob
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John,
I have no idea whether my water (and, for that matter, fuel)
tanks or originals or replacements. I know (but have lost
contact with) both of the previous owners and neither one has
suggested that they replaced them.
My tanks (two water, two fuel) are made of about 5/16" or
possibly 3/8" fiberglass. I discovered this when I drilled
openings in which to install fuel level sensors. They have
never, as far as I can discover, ever leaked.
Both of my water tanks can, I believe, be removed from
beneath the settees and carefully removed through the
companionway. Note that I have not actually tested this, nor
measured them to confirm. If your tanks can be removed that
easily, then you have several choices for replacements:
Stainless steel (probably OK if you make sure that there is no
possibility of crevice corrosion from the tanks resting on flat,
wet surfaces), aluminum (not a great choice because of the
chlorine in public water systems), fiberglass (which you could
even make yourself), and bladders (great, especially if you have
the bladders sit inside a shape-preserving container, such as a
wooden box).
Hope this helps,
Jim
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-- ======================================================================== Jim Melton --- Editor of ISO/IEC 9075-* (SQL) Phone: +1.801.942.0144 Chair, ISO/IEC JTC1/SC32 and W3C XML Query WG Fax : +1.801.942.3345 Oracle Corporation Oracle Email: jim dot melton at oracle dot com 1930 Viscounti Drive Alternate email: jim dot melton at acm dot org Sandy, UT 84093-1063 USA Personal email: SheltieJim at xmission dot com ======================================================================== = Facts are facts. But any opinions expressed are the opinions = = only of myself and may or may not reflect the opinions of anybody = = else with whom I may or may not have discussed the issues at hand. = ========================================================================
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