[Rockhounds] OT: Death Rays and melting stones

[J Bryan Kramer]

And how would you hold a heavy block of stone precisely in the focal point
of a 3 meter disk. The FP would be 1.5 meters in and what ever distance up.
And then move it fractionally so it made an exact cut?

BK

On Nov 9, 2007 7:44 PM, Kreigh Tomaszewski <Kreigh at tomaszewski.net> wrote:

> The Hale disk is only horizontal when the telescope is pointing straight
> up.
>
> If the Inca's used a 3 meter disk for stonework they probably quarried
> the blocks conventionally and brought them to the stationary disk for
> dressing.
>
> Kreigh
>
>
>
>
> J Bryan Kramer wrote:
> >
> > That 10 cm was a WAG, but considering the strength of gold as a
> structural
> > material I wonder if a 1 cm thickness would be possible in a 3 meter
> disk.
> > The Hale disk is of course horizontal and fully supported underneath and
> > stationary. This 3 meter disk would be used vertically and manhandled
> around
> > the quarry. Not the same sort of thing at all.
> >
> > BK
> >
> > > But I take exception to your 10 cm thickness. One cm (or less) would
> be
> > > used. You want to make your dish as thin as possible and still retain
> > > structural integrity. There is no need to make it that thick. BTW, the
> > > mirror of the Hale Telescope weighs about 13,000 kg, not counting the
> > > mounting assembly. I don't think weight would have been a real issue.
> > >
> > >
> >
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-- 
J Bryan Kramer
North Florida, USA
photos at:
http://pbase.com/photoburner


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