Re: dyson sphere stability

From: Michael S. Lorrey (mlorrey@datamann.com)
Date: Thu Dec 07 2000 - 09:10:47 MST


Stirling Westrup wrote:
>
> Jeff Davis wrote:
>
> >
> > Magnetic field effects.
> >
>
> Hmm. I must admit that I never even *considered* magnetic fields.
>
> What I came up with was to spin the sphere so as to cause pseudo-gravity
> by centrifical force at the inside equator (and really make it hard to
> image what substrate would be strong enough to build with). In order to
> ensure that the inner pseudo-gravity was strictly normal to the surface at
> all points, carefully sculpted masses would be added to the rotational
> poles, so that the gravity felt on the inside would be the sum of
> gravitational and centrifical vectors.
>
> The upshot of this would be that the dyson sphere would be stable on two
> axes, but still unstable along its rotational axis. Its not a total
> solution, but it does make the problem more managable.

Note that stars typically emit more powerful jets of matter out their
poles. Could these jets be controlled with pinching effects derived from
the magnetic fields, to provide control along the rotational axis?



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