Thread: Rolled Al tube option for newtonian
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Old 16-10-2009, 05:34 PM
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mick pinner
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mick pinner is offline 		 
Join Date: Feb 2005
Location: monbulk-vic
Posts: 2,010
l am making a new tube for an astrograph out of aluminium using 1mm sheet, l've made a couple in the past and 1mm is perfect for weight and rigidity.
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