Re: [ATM] Use of bearings in (static) mirror cells

[Ken Hunter <atm_ken_hunter@yahoo.com>]

With the welded center post I see torque and
distortion of the cell components on a larger scale
than on the mirror from the previously mentioned RTV'd
offsets. With Gymbals, the distortion to the cell
plate is much less.

Ken Hunter


--- matt <electro_optic@bellsouth.net> wrote:
> Ken,
> 
> Doesn't the gymballed support in your drawing
> accomplish the same as
> supporting the mirror with a rigid central post ? If
> the mirror has a center
> hole (doesn't even need to be all the way thru the
> mirror) , and there's a
> post epoxied or threaded through it, just the same
> as yours, and the other
> post end is welded to the mirror cell, it will do
> the same thing as your
> counterweight .
> The mirror weight will be supported sideways by the
> central post, instead of
> creating the bending moment by pulling down on the
> cell triangles.
> 
> best regards,
> matt tudor
> 
> -----Original Message-----
> From: Ken Hunter <atm_ken_hunter@yahoo.com>
> To: Ken Hunter <atm_ken_hunter@yahoo.com>; Jerry
> <wa4guu@verizon.net>;
> 'Arjan te Marvelde' <arjan.te.marvelde@hetnet.nl>;
> atm@atmlist.net
> <atm@atmlist.net>
> Date: Sunday, April 24, 2005 4:16 PM
> Subject: RE: [ATM] Use of bearings in (static)
> mirror cells
> 
> 
> >
> >--- Ken Hunter <atm_ken_hunter@yahoo.com> wrote:
> >
> >>
> >> I can whip up a drawing and post it on the
> ATM_FREE
> >> Group if interested.
> >>
> >> Ken Hunter
> >>
> >
> >
> >DONE!
> >http://groups.yahoo.com/group/atm_free/
> >
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