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RE: [ATM] Anything constructive?
Totally excellent stuff! This is a perfect example of what is so great
about this "hobby"!
I can't wait to see the photos and updated web pages!
-Cary
> At present I have in the works a 16" flex scope. The mirror is done as is
> the all aluminum mirror box and ultra light weight secondary. I used
> carbon
> fiber and foam core techniques to obtain a target weight less than 50lbs.
> I
> wanted to finish that scope this summer but got distracted by......
>
> ... A few years ago I had an idea to make a 25" ultra thin mirror folded
> Newtonian. I always wanted a big scope. Well I just finished polishing out
> the mirror and with the help of my friend Alan Ward and Eldon we figured
> it
> to 1/4 wavefront. All of us were amazed how well this mirror turned out
> because it is only 0.910" thick. Foucault readings were absolutely
> repeatable and no astigmatism! This has now become my prime project for
> this
> summer. I plan to show this scope at StarFest and the Great Manitou
> parties
> in August. I've received lots of great input from many of you on this list
> so I'd like to thank all of you again. My target weight is 80lbs for this
> 25" scope. It should be the lightest of this aperture I've heard of. The
> composite techniques I learned on the 16" are being applied again to this
> project.
>
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