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 Post Posted: Wed Jul 16, 2003 7:00 pm 
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Originaly posted by andeh,
Well, first of all, what is the best way to find the center of a disc? I have some markings from my original compass work, so I might try that first... anyway, is there a better way, just so I'm sure?

Also, is it better to use teflon tape or pipe dope for threading metal and metal? I've always used teflon tape for metal and plastic, just wondered if it was any different for metal-metal.


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 Post subject: use a caliper
 Post Posted: Wed Jul 16, 2003 8:00 pm 
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Originaly posted by False,
measure the diameter and divide it by two to get the radius...then put one of the sharp points of the caliper at the edge of the disk and draw a mark near the center with the other point...do this at a couple of different places and you will find the center...I dont know if thats the best way to do it...



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 Post subject: That'll work.
 Post Posted: Thu Jul 17, 2003 12:00 pm 
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Originaly posted by Freefall,
Even if he doesn't get the radius just right, he'll get several intersections surrounding the exact center, close enough to eyeball it from there.


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 Post subject: Heh yeah
 Post Posted: Fri Jul 18, 2003 12:00 am 
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Originaly posted by Hogg,
That's exactly what my geometry teacher said to do three years ago. :D


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