Re: ATM 8.5" candle mirror update and help!!!

[Viper71049@aol.com]

In a message dated 7/16/01 11:45:57 PM Central Daylight Time, 
richas@earthlink.net writes:

<< If you want the mirror as good as possible, don't remove the rim.  It adds
 greatly to the stiffness of the whole thing.   However, you might want to
 grind the rim and the edge to look perfectly flat and circular. >>
 
I see where it would add stiffness, yet the rim would be hard to grind flat 
and circular as the rim is not exactly flat to the edge of the blank. And the 
rim is curved. I also would like to remove the rim to get as much F/ratio 
into as small tube as possible.

Thanks,
Tony