From: "Russell Jocoy" 
To: mlbrown{at}everstrive.com, atm{at}shore.net
Reply-To: "Russell Jocoy" 


>From: "Matthew L. Brown" 
>Reply-To: "Matthew L. Brown" 
>To: atm{at}shore.net
>Subject: Fwd: ATM Cookin' up a scope
>Date: Tue, 15 Jul 2003 08:22:45 -0700
>
>
>Russ,
>  I've done a lot of polishing on a sawed off piece of shelf covered with
>newspaper on my lap sitting on my sofa.  I keep a bucket next to my feet
>and a towel next to the bucket.  Works pretty well and the wife doesn't
>mind since it is quiet and not very messy.
>
>My normal figuring place is a 2 foot wide part of one table.  I move there
>because I use rouge and I'm not going to risk the stain.  Even so, when I
>add a bar of soap next to the bucket, it is easy to keep rouge in control.
>It only gets on the lap, the mirror, the newspaper, and the bucket.
>
>If you need evidence for the wife, I can send a photo of me doing 12 micron
>using the same setup.
>
>=Matt
>
>>Delivered
>
>



("atm{at}shore.net")

  Matt,
  this might go over well in your household but this is out of the question
for my home. The wife would
much rather I buy a AC unit for the garage.  I like standing up while
polishing, and doing the barrel
dance.....                  Russ J.
("atm{at}shore.net")
>
>>-To: mlbrown{at}0
>>X-Originating-IP: [67.75.70.191]
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>>From: "Russell Jocoy" 
>>To: atm{at}shore.net
>>Bcc:
>>Subject: ATM Cookin' up a scope
>>Date: Mon, 14 Jul 2003 22:18:01 -0400
>>X-OriginalArrivalTime: 15 Jul 2003 02:18:02.0090 (UTC)
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>>
>>("atm{at}shore.net")
>>
>>    Hello all,
>>
>>    I have still not picked up my pitch lap as it melts in the south
>>Florida heat of my garage. I do believe
>>that this is the reason for my turned down edge. I have figured out that
>>the heat in my polishing area
>>has caused my lap to flatten on every session, and close the channels way
>>too fast. Now I must bring
>>the edge back out, ( it's more than 1/4" turned)...
>>                          When I found out the problem I quit
>>polishing....I was pissed... yeah those stupid rookies,
>>won't they ever learn... Well they do by trial and error. Don't get me
>>wrong I will not give up, oh no,
>>I'm old enough to know that time is golden and make your little dreams
>>come true so that they can be
>>big ones when they grow up.
>>                             To give all an update, I am working on 2
>>mirrors.. one is a 9"x5/8" thick (this is the
>>polished turned down edge disk)  the 2nd is a 10"x5/8"
disk that is past
>>5micron waiting for his sister
>>to pass the parob threshold.  Both mirrors are plate glass and thin.  Both
>>mirrors have been supported
>>completly through all grinding and polishing processes. Both mirrors have
>>never left the table , or barrel,
>>tool on top all the way. The 9" had  a not so radical ronchi run before
>>the edge turned.
>>              My ronchi rig is set up so that the mirror is tested
>>looking down from  eye level to the ground.
>>  This tends to help the mirror from flexing. I used the foam shelf liner
>>for the back mirror support.
>>           Well like I said I have quit polishing. I can't move inside the
>>house..so I do believe I will have to
>>bite the bullet and get a window unit AC for my garage.  The temps. are
>>now at 90 degrees and  this
>>summer the best I can do is bring it down by 15 degrees. Maybe this will
>>work and harded the pitch
>>to get a decent figure.
>>             Well in the meantime I have been building the mirror box,
>>stand, trusses and cage for this
>>mirror so I can test. All is going fine, I have made my own spider and
>>have a diagonal from the surplus
>>shed (for temperary purposes). I have gazed at the lunar surface with the
>>9" incomplete mirror which
>>brought my spirits up as to how an incorrect surface can actually give you
>>a half decent view.
>>                  To end I have one question .. the throat of my focuser
>>cage is the same diameter as my
>>9" mirror... is this diameter sufficient for incomming light.
My mirror is
>>f/4.7 and the focal length is 42.5"
>>                                           I will update my progress as I
>>have much more glass to figure besides
>>the two I am now working on. I have three 3/4" blanks for future
>>projects,.. 12".. 14"...16"  which will be
>>done in progession...      Thanks to all.... Russ Jocoy
>>("atm{at}shore.net")
>>
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