[PSUBS-MAILIST] buoyancy

[Sean T. Stevenson via Personal_Submersibles]

Alan, how did you do that calculation?  What layer count, thickness,
component volume fractions and principal fiber orientations did you use?

Sean


On 2015-11-11 12:15, Alan James via Personal_Submersibles wrote:
> Hank,
> I did a quick calc on a sphere of nominal dimensions made of epoxy /
> fiberglass.
> With external pressure it had a depth of 4347ft, with internal 3785ft. I
> should have posted
> the results in psi, but you get the picture.
> The big thing to me would be that if you ruptured it by hitting
> anything, or so it failed, you would go down
> like a lead balloon. 
> Alan