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Reply | Forward Message #4684 of 5229 |
RE: [astronomy-atLAST] atm

Excellent !!  I am tied up this Saturday with family matters.  But I’m sure there are plenty of other people who would be interested in spending a good evening ;)

 

Omer.

 

From: astronomy-atLAST@yahoogroups.com [mailto:astronomy-atLAST@yahoogroups.com] On Behalf Of a
Sent: Tuesday, July 14, 2009 6:50 PM
To: astronomy-atLAST@yahoogroups.com
Cc: PakAstronomers@yahoogroups.com
Subject: [astronomy-atLAST] atm

 




Hi

 

We plan to have an atm workshop at my home on  this saturday evening at 6:30 pm.

 

Anyone interested can attend.

 

 

0346 746 5550

 

 

 

 


a



Wed Jul 15, 2009 3:55 am

quasar273
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Message #4684 of 5229 |
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Grit 80 breaks down in grinding and becomes a fine grey paste. While breaking down, it grinds the mirror too. Regards, a...
ali
ak6666666
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Feb 8, 2009
2:28 pm

Ali, Glad to hear that you started Grinding your Mirror. Wish u good Luck. Here is the link of the Mirror Grinding video: ...
nazim khan
nazimkhan787
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Feb 8, 2009
4:30 pm

My mirror now has a pit. I need to spread it now. 40% overhang to centre over centre 1/6 overhang. But first need to measure saggitta to see if I have gone...
ali
ak6666666
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Feb 8, 2009
5:56 pm

I will only find time to grind on holidays. Took a small side table to the carpenter to strengthen its top. He nailed three wooden strips under the top and now...
ali
ak6666666
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Feb 11, 2009
4:22 pm

I dont know about the mirror but certainly you seem to be making some muscles these days :) Irfan ali wrote: I will only find time to grind on holidays. Took a...
Irfan
irfan29200
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Feb 11, 2009
4:28 pm

... The large circular motion I did for 2-3 hours last Sunday completed my first stage of grinding and yes, my side muscles have improved. I must have looked...
ali
ak6666666
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Feb 11, 2009
4:57 pm

The flexing I was referring to is not in mm but far less (perhaps microns). Even weight of mirror+tool is enough to cause unwanted flexing. I will not become...
ali
ak6666666
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Feb 11, 2009
5:00 pm

Irfan Will you some day think of making a mirror yourself? I would love it if you do. You are a Do-It-Yourself man and technical minded and good with your...
ali
ak6666666
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Feb 11, 2009
5:08 pm

I wouldn't mind doing it but I cant do so much physical labour with my hands at this age. So if I can have some machine to do that...... Come to think of it,...
Irfan
irfan29200
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Feb 12, 2009
6:01 am

Irfan ,  i am also thinking about this idea. as per my earlier email please check the Link below. i think you can make it & also u got a perfect work bench...
nazim khan
nazimkhan787
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Feb 12, 2009
7:19 am

Yes sure. I think it is certainly do-able. Let us put it on the agenda for the next meeting. nazim khan wrote: Irfan , i am also thinking about this idea. as...
Irfan
irfan29200
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Feb 12, 2009
7:43 am

New members to atm team wanted. More scopes the better. Regards, a...
ali
ak6666666
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Feb 14, 2009
7:38 pm

Someone said that parabolizing is the most difficult part. So there is wisdom in staying near f10. Regards, a...
ali
ak6666666
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Feb 14, 2009
8:04 pm

Hello Just finished two hours with 220. COC with 1/6 forward overhang and 1/6 back overhang, a total of 1/3 overhang (1/6+1/6). MOT. No extra weight on mirror...
a
ak6666666
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Mar 5, 2009
4:31 pm

11:40 am Monday Im tired. Did 2-3 wets as since 10am. Much better central area. Those few pits are all but gone. As Im tired, Im thinking of 800 but really I...
a
ak6666666
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Mar 9, 2009
6:54 am

After 3 wets of 800, transparency is appearing!...
a
ak6666666
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Mar 10, 2009
3:56 pm

It is very important that the table does not flex....
a
ak6666666
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Mar 11, 2009
5:25 pm

Hi We plan to have an atm workshop at my home on this saturday evening at 6:30 pm. Anyone interested can attend. 0346 746 5550 a...
a
ak6666666
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Jul 14, 2009
12:50 pm

Excellent !! I am tied up this Saturday with family matters. But I'm sure there are plenty of other people who would be interested in spending a good evening...
Omer
quasar273
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Jul 15, 2009
3:57 am
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