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Go Back   IceInSpace > Equipment > ATM and DIY Projects

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  #61  
Old 22-12-2018, 11:07 AM
Rod
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Hi Logan

The tube’s come up well. Before you put finish on it, wipe down with turpentine over it. This will help you see if there is still any glue in the wood that needs removing. The tube might then need a quick rub with fine sandpaper as the turps may raise the grain.

Rod
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  #62  
Old 22-12-2018, 02:48 PM
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Lognic04 (Logan)
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Thanks Rod!
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  #63  
Old 26-01-2019, 04:18 PM
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Lognic04 (Logan)
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Wow, haven't posted here in ages!
So I spherise the mirror, fixed the tde and started parabolizing. I'm very close now, like 1/4 wave!
Tube had to be redone because the polyurethane didn't dry. Almost ready to star test!
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