[PSUBS-MAILIST] Hull Calc: 78" spheres

[Sean T. Stevenson via Personal_Submersibles]

On 2015-01-09 20:27, Alan James via Personal_Submersibles wrote:
> Hank,
> do you know what aluminum they are & is that 60" OD?
> I will put it through my calculator if I have the material in 
> the data base. But not till after BBQ; nice hot day here in Auckland:)
> Sean might beat me to it & have  a more reliable result.
> Alan
>

I ran the best-case scenario - that they are 6061-T6 (the strong
stuff).  60" OD, 3" wall:


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