PROJEX launched

Such a system would have to cope with air resistance from the martian
atmosphere as well as mechanical wear on the bearings which would have to be
able to take a lot of load.

The tilting of the floor is actually quite a minor point. In fact it has been
suggested that being able to rotate the sections of a torus while spinning it
down and increasing the acceleration of a space ship may be the best way to
design starships.

--- rmenich@... wrote: