Jonathan Hoopingarn <73172.1065@compuserve.com> asks:
> Is 1G maintained at the interior surface or the last level (Down
> Below?) just inside the skin? How many levels are there between
> the outer hull and the inner surface (I'm trying to figure the
> change in "gravity" from level to level)? What's the radius of the
> main cylinder? By the way, had you read Gerard K O'Neill's work on
> space habitats?

I don't have the specs onhand, but basically you've got a
smidge under 1g in the inner levels, working out until you've got a
smidge over 1g in the areas closest to the hull. This helps with alien
requirements in living quarters in those areas.

jms