Re: ATM - Flex mirror glue

[Gil or Lisa McFarlane <doctorgil@peoplepc.com>]

The disk is 3/4" thick, it calculates as needing about 60lbs of force to
pull.  Are you thinking of a large bold head with no foam?


- Gil


William Kelley wrote:
> 
> Gil,
> How thick is the 6" F8 disc? A simple center pull bolt attached with epoxy
> may do very well.
> The much more complex distributed load as per Adlers' article may serve no
> purpose.
> Don't buy anything until we have this worked out.
> 
> For example a 1/2" center puller will make a 6" F8 that is 1" thick into
> better than a 1/11 wave
> mirror with a little more than 40 lbs. of tension.
> 
> Regards,
> 
> Bill
> 
> ----- Original Message -----
> From: Gil or Lisa McFarlane <doctorgil@peoplepc.com>
> To: atm <atm@shore.net>
> Sent: Saturday, October 13, 2001 5:09 PM
> Subject: ATM - Flex mirror glue
> 
> >
> > Any suggestions on what glues work well for flex mirrors.  (or where to
> > find the glue mentioned in Adler's article?)
> >
> > - Gil
> >
> > P.S.  I am trying this on a very inexpensive 6" f8 spherical mirror from
> > Sky Instruments ($49), to keep me busy while I try my hand at grinding
> > an 8" mirror.  My testing skills leave much to be desired, but it seems
> > to be a decent sphere.
> >
> >
> >
> > --
> >
> >

-- 
Gil McFarlane Doctorgil@peoplepc.com  http://www.doctorgil.com

Lisa McFarlane  Lisa@LisaPhoto.com    http://www.LisaPhoto.com