From: joshua geller (dclxvi_at_best.com)
Date: 04/21/98
Date: Tue, 21 Apr 1998 22:36:28 -0700 (PDT) Message-Id: <199804220536.WAA24066@shell5.ba.best.com> From: joshua geller <dclxvi_at_best.com> Subject: Re: Been kinda quiet, lately...
hork_at_execpc.com writes:
> Hello,
> > What two things?
> > it is cheap and easy to fabricate.
> I think a good corrosion resistant steel, would be even better
> then concrete. It is strong compressive and tension wise. It is
> cheap and easily produced in large quantities. It is probably
> lighter then a concrete sphere. I also believe it would be easier
> to work with then concrete, considering many people know how to
> make large steel frames and weld them together. Concrete usually
> would be poured in molds and then attached at joints which could
> lead to some problems.
nah, it's really elegant the way they make these structures. you bend
the skeleton out of rebar and pour the whole structure around it. or
you can, anyway.
I think you are correct that steel would be better, for very large
airships.
> One thing for the concrete side, weren't America's Liberty
> Ships during WW II made out of concrete.
I think so. certainly many large vessels have been made out of
concrete.
> What about natural wood or engineered reinforced wood or other recyclable
> materials, maybe cardboard!
for something a couple miles across?
best,
josh