Re: [ATM] Ritchey-Chrétien

["Khail Rosenberg" <mikhail.rosenberg@rosenbergtelescopes.com>]

I think perhaps i will build a machine ( 20hp) should be enough??? i will
grind it initially until its about .1" away from where i want it to be on an
F/2 focal length.. then i shall randomize it by hand..

On 1/20/08, Vladimir Galogaza <vladimir.galogaza1@zg.t-com.hr> wrote:
>
> Mitchell,
>
> >     **Quite the opposite actually. Machines do the exact same motion
> over
> >and over and over and over (I think you get it ;) so small errors are
> >multiplied many times. With hand work no two strokes will ever be exactly
> >the same so they blend very nicely if you keep them all reasonably the
> same
> >length/pressure.
>
> Not exactly. Some machines  are controlled by clever programs and
> instructed
> iteratively what to do after intermittent measurements. Marti Koskimo our
> friend,
> made one. Not only machine but the program as well. What it can do is
> beyond
> wildest  hopes of hand made enthusiasts.
>
> Regards
> Vladimir.
>
>
>
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