... Michael... From reading your posts I gather that you are not totally happy with your polishing progress and I also gather that you are not micro- ...
Greetings, I'm exploring now for a potential future project, a 110mm f/25 Kutter Anastigmatic Schiefspeigler. I've sucessfully ground and polished matching...
I lost the applet function to open all Yahoo! chatrooms a week ago. I HAD no other problems with my computer save for that. The advice and procedures I...
... Hmmm... I don't see the difference there... ;0) I think it would be best perhaps to have the 2 different pieces diamond generated before trying to fine...
WELCOME BACK! Yeah... passing the buck seems to be the thing (once you get through their endless phone tree) and not just YAHOO either, it is fast becoming a...
... 1/4" ... Thanks, Ken for the reply. The primary is to be 4 1/4", but I'm sure you'd figured that one out :-) I had thought of home-generating the curves,...
I have actually been using bridal veil. Not with every press, but every other one or so. But your suggestion about the wire brush makes sense. I'll do that. ...
Dominic I have had problems with yahoo from time to time, my cure has been to totally delete yahoo from my system and then reinstall it, seems to fix the...
I know it can be a pain, i have done it twice before, but did you try to reformat your hard drive, and reload everything,or is that out of the question..helped...
I have posted part 1 of How To Optimize with OSLO. I started with a Maksutov Cassegrain design. I showed step by step how to optimize this initial design,...
... Excellent work ! I hope many ATMs will now take up on OSLO as an evaluation and then design tool. Just a side note - Maksutov Cassegrain is a very...
Thanks to everyone who suggested that I scrub the surface of my pitch lap with a brass brush. It certainly did the trick. However, it might have worked too...
... Now I am one who is totaly in the dark about OSLO, I have been in that nice Noorwegian City but have a blanc as to what that has to do with telescope...
... SNIP>> ... If the noise gets to you you're not playing your music load enough! Seriously, polish more and worry less. You said that adding water did not...
Although I've read other email saying the squealing is a bad thing, I don't really think so. I had that happen on a couple of mirrors and the surfaces were...
I basically have three issues with the squealing: 1) It woke up my wife. She's tolerant of my obsessions, but only when she's well rested. So that's not good. ...
Michael They say that when it is squealing it is working at its very best, but I myself have never heard it that loud for that long. when ever mine squealled...
I think the way you can tell the difference is that the squeal of polishing is more of a sine wave sound. Texereau seems a little ambiguous on the squealing...
... of ... turn a ... about a ... polish ... optics, ... saying ... tool or ... stroke ... taking ... the ... fall ... day ... the ... squeal. ... been ... ...
I need to make an immediate correction to what I just sent. I meant to cut and paste a sentence and forgot to do it. when referring to being close to the...
Jerry, Yes you can sure ramble,hehehe, but keep it up. i am enjoying the reading, find it very interesting....hope you dont mind if I take notes...;)please...
Hi Michael, ... Yes. Plus the 2 boys. I never polished anymore upstairs after this. ... scratch ... polished ... amiss. In my experience, I never generated...
Jerald: Thanks again for the ramble. It is instructive -- and more helpful than most of the vague stuff I've read about the black art of figuring. I greatly ...
Correction in third paragraph: "When I get to where I have three lines ..." NOT "When I get to the ROC where I have three lines ..." I don't know how the ROC...
... ROC where I have three lines ..." ... You were correct either way... Each zone has a Radius Of Curvature (ROC) so the term would apply as you used it at...
Hello I did some test again lastnight with my 10" uncoated mirror. This time I tried the Ronchi test Bob informed me of,this was easy enough to do. The ronchi...
Well I think it sounds like you have an oblate spheroid. That's to be expected. If you have the grating inside the center of curvature and the lines in the...
