25-05-2018, 08:06 PM
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Registered User
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Join Date: Mar 2016
Location: Melbourne, VIC
Posts: 889
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Quote:
Originally Posted by Stefan Buda
Cylindrical grinding of the primary mirror inner diameter went well.
I cemented a hefty steel ring to the flat side of the primary, and that allowed me to set it up very accurately in a four jaw chuck.
Today I finished grit 240 (hand grinding), and I'll keep an eye on Logan so he won't win the race.
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Nice!
Hehehe 
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