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Did you man to say that your counterweights will have a "brass" insert - like the AP and others, rather than aluminum?
Just a heads up for you.
----- Original Message -----
From: "Pawel T. Lancucki" <email@example.com>
Sent: Wednesday, April 16, 2008 5:59 AM
Subject: [ap-gto] Exact CW shaft diameter
My Mach-1 is on order now. As I live in Europe, importing the CWs itself
would not be practical and I am going to order them made locally. This will
be done by a small astro company in Poland which produced for me stainless
steel counterweights for my other mounts.
Now, as I plan to order the CWs in advance, I need to know the exact
diameter of the CW shaft. In the AP manuals this is stated as either 1,125"
(which equals to 28,575mm) or 29mm - almost 0,5mm difference. My experience
shows that I should have 0,3 to 0,4mm clearance between the CW aluminium
insert and the shaft. Therefore, I am not sure what should be the CW
Could somebody measure exact diameter of the Mach-1 CW shaft and/or CW
central bore to let me have a better idea on that?