Kalpana one

On 5/1/06, Combs, Mike wrote:
(...)
> Hey, that was a point I should have made in favor of spherical end-caps
> vs. flat. I remember Gerard O'Neill commenting to somebody that he
> didn't really care all that much for the Stanford Torus design. When
> pressed, one criticism he offered was that in an emergency requiring
> evacuation, you would be dependent on elevators to get you up to the
> spin axis. He was much more comfortable with designs which allowed
> residents to get up to the spin axis on their own power.
(...)