[PSUBS-MAILIST] cng tank for buoyancy

[Stephen Fordyce via Personal_Submersibles]

Righto Hank, wow I've not come across one with a plastic liner.  I
would say the main impediment would be cost, but you seem to have that
sorted.

Cheers,
Steve

On Mon, Jul 10, 2017 at 8:35 PM, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Steve,
> You had me confused when you mentioned the aluminum liner corroding.  I
> misspoke, the aluminum liner is about 1\2 inch thick not 1 inch.  But that
> is moot with the tanks I am talking about.  The tank I am looking at is a
> type 4 tank witch has a plastic liner, not aluminum.  The type 3 tank has
> the aluminum liner.
> There is still lots to consider and research.  It just seems so simple to
> use these tanks, so there must be a problem ;-)
> Hank
>
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