[ATM] Encoder roller -help

["Tim Nott" <timothy.nott@ims.sa.edu.au>]

Hi all,

I want to use this part http://www.foothill.net/~sayre/images/22-in.%20altitude%20encoder.jpg
 to fix an encoder to so my scope can sense directions for a goto system for my Tridob. http://www.iceinspace.com.au/index.p...63,324,0,0,1,0 

The conventional way of attaching the encoders to the ALT/AZ pivot points would not work for my scope as there is none. So this roller would run along the AZ bearings and ground ring instead.

It is a roller with an O ring on its circumference, a .25" hole in the middle and a grub screw to fix the encoder shaft.

Anyone know where I can get one?

Tim.
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