#garfield Logs

Nov 02 2021

#garfield Calendar

12:00 AM aandrew: https://www.youtube.com/watch?v=HWPYoE1SNnA
12:24 AM rue_mohr: good one aandrew, I'm late for bed now
12:24 AM rue_mohr: that video is just interesting enough to keep me watching
12:29 AM aandrew: sorry about that
12:29 AM aandrew: it's 1:15am here, I need to go to bed too
12:43 AM rue_mohr: odd, does he almost seem like a fellow who just collects equipment?
12:44 AM rue_mohr: obviously he's built stuff
12:44 AM rue_mohr: but
12:44 AM rue_mohr: there is just something wrong with this picture
02:02 AM rue_mohr: the plug to the ups was short and, trying to get my automation compuer back in the closet, it unplugged the whole lot
04:30 AM Tom_L: morning
06:05 AM polprog: Morning
08:15 AM aandrew: rue_mohr: well I think he's been a machinist for 50 years and now it's like a hobby farm
08:18 AM aandrew: the 4 jaw chuck that can have the runout removed is kind of magical
08:21 AM aandrew: it still blows my mind that such a ... low tech operation (lapping) can give you such incredible flatness
08:22 AM aandrew: I also like the quick release vise
09:41 AM rue_mohr: ... I want to try to make a selenium transistor
07:20 PM Tom_L: rue_mohr
07:20 PM rue_mohr: yes?
07:21 PM Tom_L: https://www.youtube.com/watch?v=BZMAnER9WFo
07:22 PM rue_mohr: hows the backlash?
07:22 PM rue_mohr: not a huge ratio is it?
07:22 PM Tom_L: pretty good, i haven't measured it but there is a side adjustment
07:22 PM Tom_L: 40:1
07:22 PM rue_mohr: I can see why it needs the large motor
07:23 PM rue_mohr: nice
07:23 PM Tom_L: well my fiasco with the current limit resistor probably prevented the small one from working
07:23 PM Tom_L: i think it would have
10:33 PM rue_mohr: https://drive.google.com/file/d/1tqN-4ybDoaOE0YyoXUa05JUp3XSGVRQV/view
10:33 PM rue_mohr: this is a cool read!