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Balancing the DDM60


GeorgeCarey

Question

I have made a new telescope based on an 8" Zambuto mirror (http://geoastro.co.uk/zambuto1.htm).

The mount is very fussy about balance in the DEC axis.

Moving the telescope in the tube rings (custom made by ASA!) only 1mm is sometimes too much.

 

I made a lead balance weight which sticks to a steel plate by strong magnets.

It is easy to slide the weight small amounts which gives very fine balance adjustment.

 

puck.jpg

 

balance.jpg

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4 answers to this question

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Hi George,

 

I enjoyed looking at the pictorial history of the build. Thanks for the link.

 

Your balance solution is neat - much nicer than my approach of gaffer taping Aus 50c pieces to the right place on the OTA as a final balance tune...

 

Regards,

Mark

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