Quote:
Originally Posted by glend
Folks I am going to put in a purpose built concrete pad for my 16" dob. This is to be a viewing platform for now. The scope will be housed in my big shed and rolled out to the pad which is positioned for best sky angles and less obstruction. The question is, how thick do I need to make the pad? Will 75mm be ok and does it need to be reinforced at all? Any advice appreciated.
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Make it 150 and you should not get much vibration showing up.