Re: ATM Flexing aluminum

["Bill Kelley" <flex@commspeed.net>]

George,
Given what you have said, no problem. The FEM program would require
different input since the physical properties of
aluminum differ from glass.
I've forwarded this question to Alan.
Bill Kelley


----- Original Message -----
From: "George Anderson" <georgea@cam.org>
To: "atm" <atm@shore.net>
Sent: Saturday, January 18, 2003 9:23 PM
Subject: ATM Flexing aluminum


>
> I have a question for Bill Kelly, Alan Adler, and others who flex.  :^)
> The inteded is 8" diam f/5.
> What would the feasability be of flexing a 0.75" thick 8" diameter
> aluminum (say 6061 Al) mirror?
> Or would a 0.50 thick slab be a better idea?
> This is ignoring the other flaws with making a metal mirror.
> Just a thought but would appreciate the feedback.
>
>
>