Hans_lune Wrote:
-------------------------------------------------------

...

> The problem was that balloons of a size to carry
> an average 2.5 ton rock to x altitude would be all
> but uncontrollable in even a light wind. At Giza
> you get gusty winds of the Sahara. Same problem
> with kites. Notably no one used balloons or kites
> to try and construct stuff (there may have been at
> some time a one off in a very limited ways but I
> cannot recall any - they certainly weren't used
> for any protracted construction) in any age.
> Balloon or kite versus wind? = Disaster as the age
> of airships showed.

IIRC, Creighton's theory met with no wide acceptance ...

Hermione
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