2013-14 Stellafane Mirror Class
Session 5 held on 2014-Feb-01
by Ken Slater
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Around the Site
Another winter session at the Fletcher House in Chester. Strong turnout, very busy today.
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Around the Site
Grinding was done in the main meeting room, and the Parker barrels were busy all day.
Main Room for Grinding |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Around the Site
A new test tunnel with a fabric cover. It folds in half for much easier transport and storage.
The New Test Tunnel |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Around the Site
President Dave Tabor listens to Dave Kelly explain a particular technique.
Dave & Dave |
Grinding
Five students where grinding today, plenty of work got done in the main room.
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Grinding
Kris rough grinds a 12-inch blank.
Kris Roughs Out |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Grinding
Sam has aluminum oxide slurry on her hands as she fine grinds.
Sam Fine grinds |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Grinding
Jessica is fine grinding, along with Reed and Sam on either side.
Jessica Fine Grinding |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Grinding
Dan is fine grinding his 8-inch with aluminum oxide.
Dan Grinds |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Grinding
Reed works on his 8-inch, fine grinding with latex gloves.
Reed Grinds |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Grinding
Sam checks sagitta as Jessica watches.
Jessica & Sam |
Polishing & Figuring
Four folks were polishing or figuring, and a number of laps were prepared.
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Polishing & Figuring
Doug polishes a 10-inch mirror in the lobby.
Doug Polishes |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Polishing & Figuring
Out in the lobby where we segregate the polishers, Ron is working carefully on his mirror.
Ron Polishes |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Polishing & Figuring
This is Karl's 2½-inch elliptical Secondary for a Cassegrain.
2½-inch Elliptical |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Polishing & Figuring
Jay pats an 8-inch mirror being pressed.
Jay is imPRESSed |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Polishing & Figuring
Ray attempts to channel his lap with a soldering gun.
Ray Gun? |
2013-14 Stellafane Mirror Class Session 5 held on 2014-Feb-01 Polishing & Figuring
Doug and Ray work on their laps while the grand wizard Jay of the Lap Dungeon keeps a watchful eye on them.
The Lap Dungeon |
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