Habitat Precession

Well, that's straight forward enough. Good.

What issues would there be for a rotating habitat and a non-rotating
radiator that needs to precess? Mechanical stresses? How can it be
accomplished? etc. Any thoughts?

>
> The orbital precession and parameters have no relation to the spin
axis of
> the habitat.
>
> So the radiators can always be edge on to the Sun, regardless of
the orbital
> parameters.
>
> > I need a little help with some minor points about orbital
precession
> > around the sun.
> >
> > Many of the habitat designs (O'Neill Cylinders, Stanford Torus,
> > Bernal Sphere) design the radiators so that they are edge-on to
the
> > sun.
> >
> > I can see how this makes sense if the habitat orbit is similar
to a
> > planet's.
> >
> > If the orbit is around a point at 90,000 miles from the L5
point, or
> > is a 2:1 resonant orbit that ranges from 100,000 to 200,000 miles
> > from earth and has a period of two weeks, then will orbital
> > precession still be as exact?
> >
> > I guess the central question is can the habitat precess so
exactly
> > as to design the radiators edge-on to the sun and is this
precession
> > independent of the habitat orbit? I'm inclined to think
precession
> > is independent of orbit but would like some confirmation. Also,
> > would varying gravity encountered along the orbit affect the
> > automated precession rate of the non-rotating habitat structures?
> >
> > The orbital mechanics are giving me a headache! I'm trying to
> > imagine how the forces would be applied when a torus is rotating,
> > needs to precess with the sun, and is in a 2:1 resonant orbit
with
> > the earth and lunar gravity varying during every two week period.
> >
> > Or will this not be as automatic for a torus? Will there have to
be
> > a "precession engineer" who'll have to calculate how much to
precess
> > the non-rotating structures of the torus so as to have them be
edge-
> > on to the sun, and execute the procedure with attached drives? If
> > this is indeed the case, then what effect will the precession
motion
> > have on the de-spin coupler, and the parts of the structure that
are