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Hi Chip,
An oval shaped hull would be as strong as the
largest raduis. So if your hull is 4 feet wide and 2 feet tall it would be about
equivalent to calculating the strength of a round hull with a 7 foot radius. But
then this isn't exactly true since you can reinforce the heck out of it. But to
maximize the weight to opperating depth ratio and usable inside space, the
solution converges on a round hull with simple ring stiffners.
Adam
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