[ATM] New? Idea for mirror support

[nss at mwt.net (Joe)]

Of course now with his central post support scheme,, this would lead to mounts
other that a Dob where a sling can not be used, like a GEM or a Fork.

Joe

Ken Lowther wrote:

> I answered one specific question.  Central support is not a new idea.  Wiffle
> trees and slings have been providing adequate support for years without a glob
> of glue.
>
> Ken
>
> Quoting Doug Williams <salguod@minbaritm.com>:
>
> > Yes and no.  Although you COULD support the mirror entirely by a post in a
> > central hole, this is not what I am proposing.  The post (more like a pin,
> > really) in my idea provides no vertical support.  At or near the zenith, the
> > post would not provide any support in any direction.  The post in my idea is
> > glued to the back of the mirror, and it provides (only) horizontal support
> > to keep the mirror centered on the wiffle tree when the scope is pointed
> > toward the horizon.
> >
> >
> > Doug
> >
> > -----Original Message-----
> > From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net]On Behalf Of
> > Ken Lowther
> > Sent: Friday, February 13, 2004 13:37
> > To: atm@atmlist.net
> > Subject: Re: [ATM] New? Idea for mirror support
> >
> > Quoting Doug Williams <salguod@minbaritm.com>:
> >
> > > Has anybody tried something like this?  Is this just another crazy idea
> > that
> > > won't work?
> > >
> >
> > Like a cassagrain primary being supported by the central hole?
> >
> >
> > Hermit, holed up in Youngstown, Ohio
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>
> Hermit, holed up in Youngstown, Ohio
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