Kalpana One design (was Rotating space colonies)

csmyth3025:

> If one takes the 1977 Ames Research Center study for
> shielding requirement for radiation workers (5 rem/yr) as a baseline
> requirement ...
> , the shell of the torus and, I
> would think, the "spokes" as well, will have to be constructed with
> about 2800 kg/m^2 "walls".

Probably no need for shielding in the spokes. People would only make brief transits through them, not live in them.

Regards,

Mike Combs