Next message: Rosalie B.: "lv-ab: Anchor Watch"
Your definition does not an integeral tank make. You have a tank, glassed
in place. This is not unusual. Intergeral tanks by def. use part of the
hull as one or more of the sides of the tank.
Pierre.
----- Original Message -----
From: "Karl Denninger" <>
To: "Shanica J II" <>; <>;
<>
Sent: Thursday, December 13, 2001 12:20 PM
Subject: Re: lv-ab: Re: Holding tank
> You need to define "integral tank."
>
> If you're talking about a tank that is PART OF the hull, you're probably
> right.
>
> But there are a lot of quality companies - including the likes of
Hatteras -
> that use fiberglass for all their tankage, including fuel, potable water
and
> waste. They are glassed into the hull and "integral" in that they're not
> going anywhere, but are laid up as a separate structure (and its obvious
if
> you look at them in a boat)
>
> I have these in my boat. She's an '85 and there is no sign of any kind of
> problem - at all - in any of the tankage. Properly done, they should last
> the life of the hull.
>
> You COULD get the fuel tanks out and replace them if you wanted (in
pieces)
> but putting new ones in would be quite a trick. That would probably
require
> deck modifications to get the new ones in the hole.
>
> --
> --
> Karl Denninger () Internet Consultant & Kids Rights
Activist
> http://www.denninger.net Cost-effective Consulting
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>
> On Thu, Dec 13, 2001 at 11:16:05AM -0500, Shanica J II wrote:
> > Patrick,
> >
> > I have to admit that I have never got a response from anyone in the
marine
> > industry advoacting integral tanks. My experience and the responses
that I
> > have receive to queries on this subect is that Integral fiberglass tanks
are
> > a bad idea at best and aboat ruiner at worst.
> >
> > Integral fiberglass tanks have 3 serious (unavoidable) problems.
> >
> > 1) They tend to suffer from less than fanatical contruction practises.
This
> > means that they are a secondary bond, most often with polyester resin.
This
> > means that in time they will fail and leak.
> >
> > 2) they are intergral and therfor un servicable/unremovable. The only
way
> > to fix a leaking intergral tank is to line it with something, usually a
> > bladder. This is almost never a satisfactory retro.
> >
> > 3) If used for water tanks, they will forever impart a taste to the
water
> > ( that's why POly tanks are best for potable waer, they do not impart
any
> > taste to the water)
> >
> > Beyond that the ability to remove a tank to work on/replace far
outweighs
> > the max capacity of an integral tank.
> >
> > As an Aside: Notice that most Quality Yahct builders do not use integral
> > tanks. they use fabricated tanks, and almost never bladders. INtegral
Tanks
> > almost always result in a lower resale value in the used market.
> >
> > Pierre.
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