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Thanks everyone,
the worm I have on the old mount is 169:1 with the 34:1 transfer gear...
it was designed for a synchronous motor.
I want to use the main worm which is nice and looks OK and it's free.
This is the reason way I want to stick with Autostar, the ratio is flexible.
I don't like the ds option. It has too much plastic....
Not sure if I'm in the right track. I do have a EQ6 electronics. Including the controller, and the motors. But this is the wrong ratio and it's a stepper with
0.5" arc sec /step. I need a sprocket to make it work for the right speed.
I don't want to spend a lot of money, and don't want to chuck out a good alucast. I replacing the original bearings as well.
I like to know if anyone than this before, using Autostar for a big scope as a retrofit.
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