Strenghth of thin plastic sheets for bulkheads in space colonies

> But even so, atmosphere containment isn't usually the primary driver
> for the amount of mass needed in a space habitat hull; the tensile
> strength needed to support itself and all the contents (plus radiation
> shielding, when that is integrated) against the artificial gravity is
> usually a much bigger factor, at least AIUI.

Actually, (although this seems to be counter to the intuition of many), the air pressure does represent the lion's share of the tensile load on the hull of a large space habitat.

Regards,
Mike Combs