From: joshua geller (dclxvi_at_best.com)
Date: 04/22/98
Date: Wed, 22 Apr 1998 13:50:46 -0700 (PDT) Message-Id: <199804222050.NAA08674@shell5.ba.best.com> From: joshua geller <dclxvi_at_best.com> Subject: materials
Chris McCoy writes:
> Since it has been brought up, I will play devil's advocate.
> A concrete sphere, even if made out of "Gunite" and reinforced by
> aluminium instead of heavy rebarr, would probably collapse on
> itself if made as large as we are discussing. If one built a concrete
> framework though, and used a lightweight material to cover
> the surface, you would have an easy to build, extremely strong
> structure.
might be so.
I don't actually think that very large airships will be built out of
concrete. I think that hork's ideas about metal balloons are closer to
the eventual actuality. perhaps I myself was being a bit of a devil's
advocate in that last.
best,
josh