Quote:
Originally Posted by AndrewJ
Just for info, as you rotated the OTA, how much deviation did you get on the dial indicator??? Ie how concentric was the bolt to the DEC axle axis?
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I'll have to check my spreadsheet at home, but I am pretty sure when rotated 180 degrees the difference was in the order of about 0.3mm which I thought was quite large, but accurately accounted for by averaging the two values. You have an interesting point about the diameter of the bolts. I'll be interested to measure them with my calipers when next able, see if there's any measurable difference.
Thanks,
Roger.