2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01
by Jay Drew and Francis O'Reilly
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Rough & Fine Grinding
Everything in the Bunkhouse for this bonus session with 9 students and 3 instructors.
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Rough & Fine Grinding
Andy grinds in the kitchen.
Andy Rough Grinds
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Rough & Fine Grinding
John is working with #220 grit.
John Grinds
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Rough & Fine Grinding
Katie & Tom install cleats before they begin fine grinding.
Katie & Tom Get Ready
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Rough & Fine Grinding
Pete is fine grinding with 25-micron grit.
Pete Fine Grinds
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Rough & Fine Grinding
Looking down thought Pete's mirror at his tile tool.
Pete's Mirror & Tool
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Rough & Fine Grinding
Antoine is close to finishing fine grinding at 15 micron grit.
Antoine at 15 micron
Polishing
Danny and Read were polishing today in the Bunkhouse.
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Polishing
Danny is polishing his 6-inch f/7.
Danny Polishes
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Polishing
Read is polishing an 8-inch f/6.
Read Polishes
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Polishing
These disk are warming up before a pitch pour to make laps.
Warming Up
Figuring
Keith was figuring today in the bunkhouse, and is very, very, very, very close to being done.
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Figuring
Keith is figuring, a bit at a time, with lots of testing in between.
Keith Figures
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Figuring
Jay explains what he sees in Keith's mirror in the tester to Keith (it was pretty good news all day long).
Jay and Keith
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01Figuring
Jay and Keith discuss final figuring strategy after a test session late in the day. Ray is at far left.
Strategy Session
What About This?
With most of the rough grinders graduated to fine grinding, instructor Francis got to work on his own project today. And we ended the day on a down note, with Andy mirror getting a big chip.
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01What About This?
Francis is at work polishing.
Francis at Work
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01What About This?
New laps were made for Francis' Stevick-Paul telescope project.
New Laps
2014-15 Stellafane Mirror Class Session 3 held on 2014-Nov-01What About This?
A slight tap while placing the tool on Andy's mirror resulted in this large chip. It will be stoned out, and Andy will continue.
Bummer! A Chip
Winter Quarters
After class, the instructors and several students move our equipment to our winter quarters in Chester. Next session on 11/15 will be held there. No one snapped any photos of this; you will just have to image how high the Parker barrels were piled on Ken's trailer and Ray's truck.
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