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Can anyone help plan for a cell
I am making a 10" dob using a f4.5 mirror a 2" oval secondary and I have the spider sorted the 2" focuser rack and pinion type also and now I have obtained the tube it12" sono type (cardboard) what I really want to do is try and keep the weight down I want to build a mirror cell but am at a loss how to do this can anyone help me by giving me some sort of plans and how to do it Description Please?
I have sent a picture on of the state of the tube and also shows the spider sat on the top to help give a size feeling to the picture not the bannister rail as well
thanks a lot chaps
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