#linuxcnc Logs

Jan 08 2022

#linuxcnc Calendar

03:09 AM Deejay: moin
04:45 AM fogl81: hello
04:49 AM fogl81: i am having problem installing linuxcnc 2.8 (wheezy). The keyboard is not working during installation and i was not able to solve this problem. Is there an alternative way to install linuxcnc (maybee with some other linux disto)?
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05:53 AM JT-Cave: morning
06:24 AM fogl81: i am having problem installing linuxcnc 2.8 (wheezy). The keyboard is not working during installation and i was not able to solve this problem. Is there an alternative way to install linuxcnc (maybee with some other linux disto)?
06:25 AM fogl81: would ps2 keyboard with ps2 to usb adapter make any difference (My motherboard has no ps2 connector)
07:04 AM CloudEvil: How old a PC is this?
07:10 AM fogl81: this PC is relatively new. Asus p10s motherboard.
07:14 AM fogl81: it was designet for intel core processor generation 6 and 7
07:15 AM fogl81: i tried all this to solve this, with no luck: https://unix.stackexchange.com/questions/116234/usb-keyboard-doesnt-work-with-debian-installer
07:16 AM JT-Cave: can you install debian 10?
07:19 AM fogl81: i didnt try, because i am looking for RTAI version of linuxcnc.
07:23 AM fogl81: can i install RTAI linuxcnc on debian10? are there some instruction to do this?
07:24 AM JT-Cave: I assume you can but it would be a good test to see if you can install debian 10 or not
07:24 AM JT-Cave: rt preempt is already in debian 10 I think the documents cover installing rtai
07:27 AM JT-Cave: hmm time to wake up the chickens
09:15 AM Alicrow: I can't believe how many different Mesa Anything I/O cards there are.
11:18 AM JT-Shop: 5' rotary tiller just got a new zip code
11:19 AM Tom_L: victim of the ridgeline?
11:21 AM JT-Shop: no, I don't do the 50'x50' garden any more so time to send it off
11:22 AM JT-Shop: now to figure out why the door on Coop Uno didn't work last night
11:39 AM unterhaus_: heh, central pennsylvania weather event: going to warm up just enough to rain and then freeze
01:08 PM Alicrow-phone: Time to take apart one of the ball screws.
01:09 PM Alicrow-phone: Doing a full rebuild of the Bridgeport/Hurco we're working on.
01:09 PM Alicrow-phone: Pretty sure we've spent more on replacement bearings than we bought the machine for.
01:10 PM Alicrow-phone: Okay, maybe not on bearings alone, but when you count the new spindle motor and stuff, it's definitely more than we bought the machine for.
01:39 PM Alicrow-phone: https://pasteboard.co/cN4tY55tlu7j.jpg
01:40 PM Alicrow-phone: Totally crammed with metal swarf.
01:56 PM Alicrow-phone: Hoping to improve that balls-to-metal-swarf ratio a bit.
02:06 PM Tom_L: Alicrow-phone, it was keeping the tolerances nice n tight
02:34 PM Alicrow-phone: Crap. Lost a ball.
02:49 PM Alicrow-phone: After a thorough search with a magnet, I think it just fell into the bowl I'm doing the cleanup in.
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05:41 PM roycroft: something is amiss with this listing from seller "bestdiscountvipstore": https://www.ebay.com/itm/112262120558
05:41 PM roycroft: how have they sold 322 of those?
05:41 PM roycroft: and why are 313 people watching the listing?
05:43 PM CloudEvil: They have only a few left, so have massively incerased the price.
05:44 PM CloudEvil: They dson't want to sell any at that price until they restock.
05:45 PM XXCoder: vip: usually higher than normal. discount: lower than usual prices. soooo.... normal price? lol
05:46 PM XXCoder: roycroft: LOL gonna love product discription picture
05:47 PM Tom_L: roycroft, you lookin for one of those?
05:47 PM roycroft: i may be
05:47 PM roycroft: but not for that kind of money
05:47 PM Tom_L: looks like the one i got but you can find the same thing at the regular price
05:47 PM Alicrow-phone: Finally got the balls back in. It's missing some, apparently.
05:47 PM roycroft: they used to be $250
05:48 PM roycroft: as recently as late last year
05:48 PM roycroft: they seem to be going for $350 and up now
05:48 PM roycroft: with steep shipping costs
05:48 PM roycroft: the more they cost the less interested i am
05:49 PM Tom_L: ooo https://www.ebay.com/itm/294671822285
05:49 PM roycroft: i'm more interested in building my cnc router at the moment than buying more fixturing devices for my mill
05:50 PM roycroft: i was just on ebay looking for something else and noticed i had one of those on my wish list that was out of stock
05:51 PM roycroft: i am beginning to tame solidworks, btw
05:51 PM Alicrow-phone: Also, that was just a practice run. And I just confirmed, I did in fact put it on backwards!
05:51 PM Tom_L: https://www.ebay.com/itm/330640648568
05:51 PM XXCoder: Tom_L: interesting. small 5 axis
05:51 PM XXCoder: great if need small projects I guess
05:52 PM Tom_L: i thought so
05:52 PM XXCoder: soft materials only it says
05:52 PM Tom_L: it's belt drive
05:52 PM CaptHindsight[m]: Tom_L: is that the same size as yours?
05:52 PM Tom_L: that's why
05:53 PM Tom_L: capn, i'm not sure. mine is a 5" chuck
05:53 PM Tom_L: i was searching price
05:53 PM CaptHindsight[m]: great for 5-axis materials deposition/additive manufacturing
05:53 PM Tom_L: or honing a 5 axis cam :)
05:53 PM CaptHindsight[m]: HIS MODEL CAN ONLY SUPPORT 5" CHUCKS AT THIS MOMENT.
05:54 PM CaptHindsight[m]: s/HIS/THIS/
05:54 PM Tom_L: oh wait.. that one doesn't have a chuck
05:55 PM Tom_L: they've gone up a bit since i got mine
05:56 PM CaptHindsight[m]: later covid price gouging
05:56 PM CaptHindsight[m]: aka branden inflation
05:56 PM Tom_L: https://www.ebay.com/itm/333317148623
05:56 PM Tom_L: 6"
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05:57 PM CaptHindsight[m]: yeah a month or two ago i saw several for less cost
05:57 PM Tom_L: my cad won't do 5 axis so i'm less interested in that cradle
05:57 PM Tom_L: i thought it was kinda neat though
05:57 PM CaptHindsight[m]: yeah that is the catch
05:58 PM Tom_L: it does wrapped rotary or indexing
05:58 PM Tom_L: i think most cad treat it that way
05:58 PM CaptHindsight[m]: the hobby version of fusion stopped offering >3-axis CAM
05:58 PM CaptHindsight[m]: gcode ripper
05:59 PM CaptHindsight[m]: https://www.scorchworks.com/Gcoderipper/gcoderipper.html
05:59 PM Tom_L: setting up the post for it was alot easier than i expected
05:59 PM XXCoder: CaptHindsight[m]: branden who?
06:00 PM CaptHindsight[m]: XXCoder: was joke, lets move on :)
06:00 PM XXCoder: :(
06:01 PM Tom_L: 489.99 w free shipping seems the best now
06:01 PM CaptHindsight[m]: Tom_L: is yours all geared vs belt drive?
06:01 PM Tom_L: worm yes
06:02 PM Tom_L: 40:1
06:03 PM Tom_L: they need a guard on the side pully on that cradle one
06:03 PM Tom_L: at least
06:18 PM Guest633: how is the software with mack3
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06:53 PM _unreal_: finally let me on
06:54 PM _unreal_: ve7it, I found the smoking gun on the servo shit and why it failed
06:54 PM _unreal_: finally got the last motor controller out of the shell i had setup
06:54 PM _unreal_: I'm now working on TRASHING the shell its balls may BURN in hellll
06:54 PM _unreal_: for being ugly and totally hindering the ablity to work on the controllers
06:55 PM _unreal_: ve7it, so one of the leads to drive the servo dc motors was caught by the mounting screw.
06:55 PM _unreal_: that is why when I was testing the system the case was much to my sock and suprise hot
06:56 PM _unreal_: I rmember touching the serial adapter and the outside "shell" of the db9 started sparking when touching the case
06:57 PM _unreal_: I just discovered the one wire had a small nick in it and clearly was DRAWN into the mounting screw
06:57 PM _unreal_: so one left of one of the wires to drive the dc motor servos was tied to the case
06:57 PM _unreal_: now do anything bad or not. I have no idea
06:58 PM _unreal_: that original case setup I built was soo restrictive in every way..... this new setup is going to be 1,000,000 % open
06:58 PM _unreal_: noting will be hard to access
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07:03 PM _unreal_: so ve7it TP9 is the one that got tied to case
07:04 PM _unreal_: ve7it, so that explains why serial would not work right. kept doing ODD stuff. nothing seemed to function or respond
07:04 PM _unreal_: ve7it, right now I'm working on remounting the motor controllers to a PERM easy to handle setup
07:05 PM _unreal_: when I get everything setup I'll be able to start to look at testing
07:06 PM _unreal_: ve7it, What I dont know is if any chips have been damaged? opa, or DSPIC's
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07:06 PM _unreal_: I doubt any of the 7805's got messed up and I dont think the serial adapter chips got messed up ether...
07:07 PM _unreal_: but I also have long since taken everything out. so I dont know what may have been messed up
07:09 PM _unreal_: ve7it, I would believe that TP9 being an AMP output. if it over drew it would just cause the amp to shut down
07:12 PM ve7it: _unreal_, you might be lucky... opamp always runs in current limit mode... the pic commands more current when it needs more motor drive... so ther than get the opamp hot, it may not have cooked anything
07:12 PM ve7it: so other...
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07:25 PM _unreal_: ve7it, ya so like I said at this point I'm just rebuilding the motor setup
07:26 PM _unreal_: getting all of the "mounts" the custom wiring and power adapters and everything done.
07:27 PM _unreal_: I dont see my self testing any motors tonight or power cycling even
07:27 PM _unreal_: to much to do
07:28 PM _unreal_: ve7it, I also purchased a new arduino board. I confirmed some of the i/o's had been burnt out.. dont know from what when why how?
07:28 PM _unreal_: so I assume thats why I never got reverse to work with the BLDC drive setup
07:28 PM _unreal_: regardless
07:36 PM t4nk_freenode: much too you're sock ;)
07:37 PM _unreal_: huh?
07:37 PM t4nk_freenode: well, youknow, maybe it was the reason the whole thing got dumped into the waste bin in the first place?
07:58 PM _unreal_: ve7it, the encoders have been purchased finally
07:59 PM _unreal_: they will show up next week. then I can get that stuff setup finally
08:25 PM robinsz: Looks like I need a better stepper on the Z axis
08:25 PM robinsz: keeps losing a few
08:26 PM robinsz: and I need to take it gentle with this little mill, it's not like m router!
08:27 PM Tom_L: i got some pretty hefty ones for nema23
08:27 PM robinsz: I have some Sanyo Denki Nema 42 ...
08:27 PM robinsz: I suspect it just isnt spinning these fast enough
08:27 PM Tom_L: mine say they're 570 in/oz
08:28 PM Tom_L: your mill is bigger though isn't it?
08:28 PM Tom_L: from what i could tell
08:28 PM Tom_L: my Z is 3:1 also
08:29 PM Tom_L: i'd think a nema42 would be pretty hefty
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08:31 PM _unreal_: robinsz, what do you have for a build?
08:31 PM _unreal_: for a machine?
08:32 PM robinsz: just looking mine up ...
08:32 PM _unreal_: mine is about as hand built as you can get
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08:32 PM robinsz: not sure about the ones that are on it, but the nema 42 I have on the shelf is around 1050 oz/in
08:33 PM robinsz: the ones on it feel pretty puny
08:33 PM _unreal_: ?
08:33 PM robinsz: I think its losing steps on the rapids
08:33 PM _unreal_: ok thats confusing
08:34 PM _unreal_: what size mill are you playing with and what size motors on it?
08:34 PM _unreal_: considering your talking about nema42's and 1k OZ/IN heh
08:34 PM robinsz: it could do with the motors spinning faster, they're not reaching their corner frequency
08:36 PM robinsz: I spent some time fighting with the PID today though as well, a couple of the axes kept bursting into oscillation, which is a pain
08:37 PM robinsz: I turned the PID down from 1000 to around 400, seemed better
08:37 PM robinsz: I may take the backlash compensation out again, I think that was not helping it.
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08:39 PM _unreal_: are you running servos or steppers?
08:41 PM Tom_L: robinsz, the backlash shows up as a rapid move ahead of any programmed move
08:41 PM Tom_L: at least that was my observation
08:41 PM robinsz: yep
08:42 PM robinsz: but the instability really only started after I added that I think
08:42 PM pcw-home: If you have backlash compensation enabled, you need to set the stepgen max-accel to about 2.5X the joint limits
08:42 PM Tom_L: that would certainly help
08:42 PM robinsz: umm
08:43 PM pcw-home: (backlash compensation violates the joint limits)
08:43 PM robinsz: I have that
08:44 PM robinsz: max_axcelleration=75
08:44 PM robinsz: STEPGEN_MAXACCEL = 150.00
08:45 PM pcw-home: it needs to be a bit more
08:46 PM pcw-home: without backlash compensation 125% is suggested so 250% is appropriate when backlash compensation is enabled
08:46 PM robinsz: it says +100% in the current release, but I can try +150%
08:47 PM robinsz: you think that might cure the oscillation?
08:48 PM robinsz: I has seeing it on jog moves, it would just take off into an uncontrolled oscillation, I assumed P was too high
08:48 PM robinsz: so I turned it down from 1000.0 to around 400.0
08:48 PM pcw-home: Not sure why you have oscillation but non-linearities (due to bounding) can cause them
08:49 PM pcw-home: normally P should be 1/servo thread period (so 1000 at a 1 ms servo thread rate)
08:49 PM robinsz: I'll try putting P back to 1000 and turning the sptegen accel up
08:50 PM pcw-home: you can also have issues if the thread order is wrong
08:50 PM robinsz: I set it to +100% but I can try +250 .. the notes in the .INI say to use +25% without backlash, +100% with backlash, so that probably needs updating too
08:51 PM pcw-home: normally you cannot get sustained oscillations unless you have P > 2/servo_thread_period
08:52 PM robinsz: SERVO_PERIOD = 2000000
08:52 PM robinsz: is that nanoseconds?
08:52 PM pcw-home: OK so 500 is the suggested P term
08:52 PM pcw-home: Yes
08:52 PM robinsz: OK
08:53 PM robinsz: so 400 should be fine
08:54 PM pcw-home: P=1/Servo_Thread-Period means detected position errors are fixed by the next servo thread invocation
08:54 PM robinsz: its steppers without any feedback
08:55 PM pcw-home: P >2/Servo_Thread-Period means a > 100% over-correction so oscillation
08:57 PM robinsz: I was hoping with all the heavy lifting done by the Mesa card, it would not need a really fast servo rate
08:57 PM robinsz: its just a rpi 4, so its not got a lot of muscle
08:58 PM pcw-home: Low servo thread rates are mostly OK unless you have very high acceleration (so you get fewer velocity steps during accel/decel)
09:00 PM robinsz: Im really low accel, max velocity 25mm/sec
09:00 PM robinsz: max accel 75 ... I may slow that down though
09:01 PM Tom_L: mine is 45
09:01 PM robinsz: and 1000 pulses/mm
09:01 PM pcw-home: Yeah that's quite slow
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09:02 PM robinsz: so 25Khz max output, I guess
09:02 PM Tom_L: pcw-home, you should write a linuxcnc howto book :)
09:03 PM Tom_L: in your spare time of course...
09:04 PM robinsz: I think the PSU would benefit from more volts on the Geckos too
09:04 PM robinsz: the guy who built it didn't understand ...
09:04 PM Tom_L: i'm not pushing mine at all
09:05 PM robinsz: its about 40V ... but he built a 12A supply ...
09:05 PM robinsz: I've not seen it pull much more than a couple of amps so far.
09:05 PM Tom_L: yeah i'm sure mine is overkill on amps too
09:06 PM Tom_L: i used some surplus transformers and parallel'd em
09:06 PM Tom_L: i probably could have gotten by with just one
09:06 PM robinsz: people don't understand that the geckos act like a little SMPS ... 40V in at 1A becomes 5A at 8V across the winding
09:07 PM Tom_L: i think mine is 48V 18A
09:07 PM robinsz: uh huh ...
09:07 PM Tom_L: one would be 48@ 6A
09:08 PM robinsz: 1 would probably more than enough for 3 x 6A motors
09:08 PM Tom_L: and i've got the current limits set at ~3.5A
09:08 PM robinsz: yeah, deffo more than enough
09:08 PM Tom_L: iirc the steppers say i can go to 5
09:08 PM robinsz: remember thats 3.5A on the output ...
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09:09 PM robinsz: it will only be a few hundred mA on the input
09:09 PM robinsz: tha magic of Geckos and PWM
09:09 PM Tom_L: when i did it, i really didn't wanna trip over the spare transformers
09:10 PM Tom_L: now i'm just too lazy to change it
09:10 PM Tom_L: the guy i got em from had 3 identical surplus so i got them all
09:10 PM pcw-home: They will draw more at higher speeds
09:10 PM robinsz: I'd prefer to be up around 60V ... this mill came with 3 new Gecko 204V drives in a spares bag
09:11 PM robinsz: yes, they will
09:11 PM Tom_L: yeah if i ever redid it i'd go with a higher V torroid or such
09:11 PM robinsz: but only for short while, transformers have great overload capability
09:12 PM robinsz: its worth sticking a meter on and seeing what your machine actually takes ... its very educational
09:12 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Control2.jpg
09:12 PM Tom_L: a little overkill ehh?
09:13 PM robinsz: err, just a touch :)
09:13 PM Tom_L: i might have $25 in that part of the supply :)
09:13 PM robinsz: anyway ... if I ever finf where I put these G204V's ...
09:13 PM robinsz: I might rebuild it.
09:13 PM Tom_L: he had the caps too or i'd have gotten one big one
09:13 PM robinsz: it was christmas, stuff got tidied
09:14 PM robinsz: re-use is always good
09:14 PM Tom_L: 203?
09:14 PM robinsz: red ones?
09:14 PM Tom_L: yeah, that's what i'm using
09:14 PM robinsz: I can;t be sure of the number, I cant find them ow!
09:15 PM Tom_L: https://www.geckodrive.com/g203v-digital-step-drive.html
09:16 PM robinsz: cheap over there ...
09:16 PM robinsz: double that price here
09:16 PM Tom_L: heh wow
09:16 PM Tom_L: and i thought it was bad enough
09:16 PM robinsz: https://uk.farnell.com/geckodrive/g203v/stepper-motor-controller/dp/2064132
09:16 PM Tom_L: i'd certainly be looking for em
09:16 PM robinsz: £198 + 20% tax
09:16 PM robinsz: so £240
09:17 PM robinsz: $326 each
09:17 PM Tom_L: they're good drivers though
09:17 PM robinsz: they are
09:17 PM robinsz: I have 3 of the 201s in there that came with it
09:17 PM robinsz: the 203V's were just spares
09:17 PM Tom_L: next project..
09:18 PM Tom_L: you're in UK?
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09:20 PM robinsz: yes, UK
09:20 PM Tom_L: anywhere near andy?
09:20 PM robinsz: pugh?
09:20 PM Tom_L: yeah
09:20 PM robinsz: not especially
09:20 PM robinsz: I know him from before EMC though
09:21 PM Tom_L: ahh
09:21 PM Tom_L: that's a while
09:21 PM robinsz: yep
09:21 PM robinsz: from a UK motorcycle group called Ixion
09:22 PM Tom_L: he's got quite a few hobbies
09:22 PM robinsz: yep, we share a few
09:22 PM robinsz: sailing, bikes ...
09:22 PM Tom_L: did you go sailing with him?
09:23 PM robinsz: nope
09:23 PM Tom_L: iirc he was gone a few weeks
09:23 PM robinsz: hes done a few decent trips
09:23 PM robinsz: we go off on our boat for the summer, usually 5 weeks or so
09:25 PM robinsz: we had a good sail around some of Ireland a couple of years ago, and the Scilly Isles this year
09:25 PM robinsz: well, last year now.
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10:11 PM Alicrow-phone: Man, that was a pain to put back together.
10:12 PM Alicrow-phone: Not as silky smooth no-effort as I'd like, but should be smooth enough. Smoother than ACME, anyway.
10:13 PM Tom_L: were the balls or race pitted?
10:19 PM Alicrow-phone: Honestly, I'm not sure. We cleaned it out as best we could, but still had balls get kinda stuck (by which I mean I couldn't push them down with tweezers like I could the rest to get them distributed, but they still move if you actually turn the screw/nut)
10:19 PM Alicrow-phone: Anyway, that was the Y axis... The X axis looks like it's gonna be worse in terms of chips and stuff.
10:21 PM Alicrow-phone: No pitting, I think? But might have been some debris? Had a fair bit of fine dark powder we had to clean off.
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11:08 PM CaptHindsight[m]: somebody please help JT out of the doorway :)
11:10 PM XXCoder: we cant
11:10 PM XXCoder: jt is a cat
11:11 PM Tom_L: looks like a storm right over his head
11:11 PM Tom_L: affecting his satelite
11:12 PM CaptHindsight[m]: ice storm here
11:12 PM XXCoder: just cloudy here
11:12 PM CaptHindsight[m]: freezing rain over frozen ground and snow
11:13 PM XXCoder: ouch
11:13 PM CaptHindsight[m]: down to -10F tomorrow night
11:14 PM CaptHindsight[m]: -23C
11:14 PM XXCoder: its essentally impossible to go below 30f here
11:14 PM XXCoder: last time it happened, my neices was still in school
11:14 PM XXCoder: theyre early 30 now
11:14 PM CaptHindsight[m]: for now
11:14 PM Tom_L: it was in the 60's here today
11:15 PM CaptHindsight[m]: nice
11:15 PM Tom_L: doubt it will last long
11:15 PM CaptHindsight[m]: I'm glad we are not moving the shop tonight
11:16 PM Tom_L: moving far?
11:16 PM CaptHindsight[m]: would need those ice cleats
11:16 PM CaptHindsight[m]: still in the area
11:17 PM CaptHindsight[m]: we have a slope to the truck dock
11:17 PM Tom_L: that's a big help
11:17 PM CaptHindsight[m]: I don't think you can walk up it tonight
11:17 PM CaptHindsight[m]: would be like skating uphill
11:17 PM XXCoder: reminds me of that year I had to walk uphill in heavy snow. i was 16. slope was too much for bus
11:18 PM XXCoder: blackout happened on my 16th birthday. lol it lasted a week
11:18 PM CaptHindsight[m]: I guess gregcnc disappeared
11:18 PM CaptHindsight[m]: was it summer he was last around?
11:18 PM Tom_L: last bad ice here power was out ~14 days
11:19 PM XXCoder: nyone know what happened to gregcnc?
11:19 PM CaptHindsight[m]: Tom_L: how long ago was that?
11:19 PM Tom_L: several years
11:19 PM CaptHindsight[m]: our power is underground, our longest outage has been a few minutes tops
11:20 PM Tom_L: looking at the pics... 2016
11:20 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/temp/ice/12.jpg
11:20 PM Tom_L: not snow
11:20 PM CaptHindsight[m]: but the power guys did manage to hit the Comcast line and knocked out internet for a whole day
11:20 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/temp/ice/14.jpg
11:21 PM Tom_L: i had a gen goin so we were ok
11:21 PM CaptHindsight[m]: ok, it's similar here but the ice is black or clear now
11:22 PM CaptHindsight[m]: natural gas or?
11:22 PM Tom_L: yes
11:22 PM CaptHindsight[m]: nice
11:22 PM Tom_L: i've got an infrared heater in the basement that will keep everything from freezing up
11:23 PM Tom_L: doesn't rely on power
11:23 PM CaptHindsight[m]: my kids were little last time we lost power over night, >25 years
11:24 PM CaptHindsight[m]: we drove to grandmas :)
11:24 PM Tom_L: heh
11:24 PM Tom_L: they probably didn't mind that
11:24 PM CaptHindsight[m]: was like camping
11:24 PM CaptHindsight[m]: only with ice cream and cake
11:25 PM Tom_L: that must have been a bad year
11:26 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/temp/hail/hail5.jpg
11:26 PM Tom_L: that happened the same year by the datestamp
11:26 PM CaptHindsight[m]: wow any car damage?
11:26 PM CaptHindsight[m]: those look big enough to kill a roof
11:26 PM Tom_L: that took out all car windows and N windows of just about every house in the area
11:26 PM Tom_L: yep
11:27 PM CaptHindsight[m]: 1.75in dia
11:27 PM Tom_L: beat the crap out of all the cars
11:27 PM Tom_L: luckily mine were inside
11:27 PM Tom_L: got the AC and N windows siding & roof
11:27 PM CaptHindsight[m]: we got 1/4in about a week ago
11:28 PM Tom_L: haven't had much since that
11:28 PM Tom_L: small stuff
11:28 PM CaptHindsight[m]: thunderstorm just before new years
11:28 PM CaptHindsight[m]: really out of place for this time of year
11:28 PM Tom_L: i wouldn't wanna get hit in the head with one of those
11:28 PM Tom_L: stripped the leaves from the trees etc
11:29 PM CaptHindsight[m]: https://i.imgur.com/NAmstpO.jpg
11:30 PM CaptHindsight[m]: about 8 years ago I was milling on the matsuura and it started to sound funny and the building stated to vibrate a little
11:30 PM CaptHindsight[m]: but it was looking great
11:30 PM CaptHindsight[m]: so I lifted the tool and hit the e-stop
11:30 PM CaptHindsight[m]: the sound did not stop :)
11:31 PM Tom_L: heh
11:31 PM CaptHindsight[m]: tornado was just passing by
11:31 PM CaptHindsight[m]: i opened the door to see and green rain was going sideways
11:31 PM Tom_L: i remember the 'andover' tornado here
11:31 PM Tom_L: was on the ground a good 45 min iirc
11:31 PM CaptHindsight[m]: missed us by maybe 100 yards
11:32 PM Tom_L: took out part of boeing
11:33 PM Tom_L: gawd that was way back in 1991
11:33 PM Tom_L: F5
11:33 PM CaptHindsight[m]: where were you?
11:33 PM CaptHindsight[m]: how close?
11:33 PM Tom_L: on the porch watching it :)
11:33 PM CaptHindsight[m]: of course
11:33 PM Tom_L: probably 5-10mi
11:34 PM Tom_L: https://www.google.com/search?client=firefox-b-1-d&q=andover+tornado
11:34 PM -!- #linuxcnc mode set to +v by ChanServ
11:34 PM CaptHindsight[m]: was it really wide?
11:34 PM Tom_L: that one wasn't as wide as the greensburg one
11:34 PM Tom_L: it was 1.7mi wide
11:34 PM Tom_L: took out the whole town
11:35 PM Tom_L: the andover one was just on the ground a very long time
11:35 PM CaptHindsight[m]: https://www.kwch.com/2021/04/27/survivors-witnesses-look-back-30-years-to-andover-tornado/
11:36 PM Tom_L: It was on the ground for more than an hour and covered about 46 miles.
11:39 PM CaptHindsight[m]: there has been so many storms since then
11:40 PM CaptHindsight[m]: not sure if I remember that one
11:40 PM Tom_L: https://www.kake.com/story/43816688/greensburg-marks-14-years-since-deadly-ef-5-tornado
11:40 PM Tom_L: that's the other big one we've had around here
11:41 PM CaptHindsight[m]: april 26, 1991
11:41 PM Tom_L: greensburg was in 2007
11:43 PM CaptHindsight[m]: tend to be in the Spring
11:43 PM Tom_L: probably about an hour or so W of us
11:43 PM Tom_L: usually yes
11:44 PM CaptHindsight[m]: I was thinking late summer
11:45 PM Tom_L: patterns are changing some here but they generally show in springtime
11:45 PM CaptHindsight[m]: with all the video and email i can look back on most dates and recall what i was doing that day
11:45 PM Tom_L: and generally toward evening
11:47 PM CaptHindsight[m]: "Dinosaurs" premieres on ABC-TV
11:47 PM CaptHindsight[m]: 23 killed in Kansas & Oklahoma by tornadoes
11:47 PM CaptHindsight[m]: https://takemeback.to/26-April-1991
11:47 PM Tom_L: they get quite a few down there too
11:48 PM Tom_L: pretty sure i recall one going thru OKC
11:49 PM CaptHindsight[m]: https://www.onthisday.com/photos/highway-of-death was just weeks before
11:49 PM Tom_L: 2013