Next message: (no name): "lv-ab: Re: Holding tank"
i agee wholeheartedly. tough to beat 316 stainless. al for fuel.
John Emmerling
Gearhart Ironwerks
wrote:
>
> On Wed, 12 Dec 2001 18:24:27 -0500 "Shanica J II"
> <> writes:
> > Stainless Steel has for a long time been regarded as a poor choice
> > for tanks
> > in a boat.
>
> Not necessarily true, it depends on the application. We use the proper
> grade of stainless steel in our boats for water tanks for clean, sweet
> tasting water. Works great. Everything has to be isolated properly with
> appropriate fasteners.
>
> > They suffer from corrosion due to oxygen starvation.
> > The best
> > tanks for Holding waste are Poly.
>
> Not necessarily true. We use integrated fiberglass holding tanks in our
> hulls. they are at the bow and serve as a collision barrier. Run over
> something in the water and you may hole the holding tank and the worst
> that happens is some minor pollution. The integrated holding tank also
> adds additional strength and reinforcement to the forward hull.
>
> > If you want to know. Black Iron or Monel make the best fuel tanks.
>
> Not necessarily true. Black iron is failed technology from the '70's.
> Monel is too expensive. Currently, the best material for fuel tanks is
> the proper grade of aluminum.
>
> > I'd use
> > Poly for Water and waste tanks.
>
> Not necessarily true, water will take on a plastic taste and Poly tanks
> are subject to cracking under some conditions.
>
> Patrick Gerety
> Willard Marine
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