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[PSUBS-MAILIST] External frames
Hi Guys,
In contemplating the practicality of a design
concept I am thinking of, I need to know or be pointed in the right direction,
concerning the pro's & con's of external frames versus
internal.
No doubt, there are some structural
advantages for internal frames, hull welds are under compression versus tension,
and the external frames may need to be heavier for external application. Maybe
even a combination could work. External frames and internal bulkheads, for
example.
My intention is to create maximum internal space
for minimum volume and a double skin to create ballast pockets, bottle storage
and above all else, a streamlined hull, from a simple cylindrical pressure hull.
The outer skin, would be glass fiber.
I'd also like to congratulate Carsten and Dale on
their progress. It is very encouraging to read about and view the
progress.
Thanks also for all the great scrubber info Paul
and the rest.
Regards, Karl.