[PSUBS-MAILIST] Small ballast tanks anyone?

[James Frankland via Personal_Submersibles]

argh, I just bought some stainless ones almost the same size!  typical.....!

On 29 January 2018 at 00:13, Alec Smyth via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:
> Hi everyone,
>
> Due to a design change in Shackleton, I've got a dozen aluminum tanks to get
> rid of. They're good quality, originally off a military vehicle. There's
> 1/2" NPT nozzles at both ends on the heads as well as at the ends of the
> cylinder. I have the end cap nipples plugged and the ones on the cylinder
> are for the air to escape. Also I welded an aluminum pipe into the cylinder
> to allow venting and flooding, and which acts as a downspout to prevent
> burping. These tanks are 9.5" in diameter, 28" long, and provide 68 lbs of
> buoyancy each.  I can see them being used as auxiliary saddle tanks on a
> K250, or a raft MBT built up from several small tanks. Twenty bucks and
> shipping perhaps?
>
> Best,
> Alec
>
>
>
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