2013-14 Stellafane Mirror Class
Session 7 held on 2014-Mar-29

General Views

This is the last regular session of this seasons Mirror Class, although we are planning a bonus session on May 3. Here are some general views from early in the day.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 General Views Polishing in the Main Room - several students have not yet arrived.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 General Views The New Test Tunnel and Custom Shroud

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 General Views Carl, Ken, Ray & Reed, no mirror making at this table in the back.

Grinding

A few students were grinding this session, and we put them in the smaller lobby area.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Grinding It took a lot of time, effort and grit to hog out this 12.5-inch mirror, but now Kris has that behind here and is work with #120.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Grinding Samantha works on her final grit, and will move on to polishing later today.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Grinding Rick is grinding R3 of his 4.5-inch doublet.

Polishing & Figuring

Plenty of Polishing and Figuring work going on, as we are wrapping up for the season.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Polishing & Figuring Jay, Reed & Ray look over Reed's lap.	2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Polishing & Figuring Jessica Polishes, Karl wets down his newspaper behind her.	2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Polishing & Figuring Kenney Polishes his 8-inch mirror.
2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Polishing & Figuring Doug keeps his warm fingers away from the optical surface as he works.		2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Polishing & Figuring George leans into a figuring stroke and Francis stabilizes the barrel.

Laps, Laps and More Laps

You need a good lap to make a good mirror, and we spent a lot of time working on laps this session.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Laps, Laps and More Laps Jay sets up his lap lab out n the warm fresh spring air.	2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Laps, Laps and More Laps Samantha takes a photo of her new lap as Jay pulls the lap mat off it. Ray at left.	2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Laps, Laps and More Laps Jay demonstrates his razor blade and mallet lap trimming technique for Samantha.
2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Laps, Laps and More Laps Samantha trimming her new lap.	2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Laps, Laps and More Laps Kenny channels his lap using a soldering iron.	2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Laps, Laps and More Laps Dave attacks a well worn lap with a torch - but he is very experienced, and it turned out well. Not recommended for beginners, most end up with a puddle of pitch.

Testing Trolley

Doug built a trolley for the mirror stand in our new test tunnel. Here are some photos of it.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Testing Trolley Doug with the trolley for the new test tunnel that he built for us.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Testing Trolley The bottom of the Test Trolley reveals the simple but effective design. The wheels are from small pulleys.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Testing Trolley Here is the trolley sitting in the tunnel, ready to accept the three legs of our mirror stand.

Jeffrey's Octagonal Tube

Jeffrey finished his mirror awhile ago, and is working on an interesting octagonal tube.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Jeffrey's Octagonal Tube Jeffrey has been sawing tube sides in the basement for the last few sessions, using a custom made miter box.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Jeffrey's Octagonal Tube Are these Photon Torpedo Plans? Nope, just the layout for Jeffry’s 8-sided tube.

2013-14 Stellafane Mirror Class Session 7 held on 2014-Mar-29 Jeffrey's Octagonal Tube Jeffrey holds the tube end with mirror cell attached - nicely done!