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Cojawfee posted:Doesn't seem too bad. If it's like this one, it requires you to use both hands to push two buttons so you can't have your hands in there when it cuts. See those row of black dots on the 'arms'? (3 of them visible on the left of the thumbanail) Light beams: you can't have anything breaking them when the blade comes down.
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Jul 5, 2020 21:25
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Cojawfee posted:Doesn't seem too bad. If it's like this one, it requires you to use both hands to push two buttons so you can't have your hands in there when it cuts. You could still try to stick your head in it
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Jul 5, 2020 21:26
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Ornamental Dingbat posted:I live in eastern MA and commute everywhere between Boston/Buffalo/NYC/NJ. It's jarring for me whenever I'm somewhere like OH and I don't have to be in Mad Max mode 100% of the time. This is me going back to Montana after living in Portland for the past 8 years or so. I’m dodging and weaving around trucks on the interstate and my dad’s clinging to the oh poo poo handle like we’re gonna die. I forget that it’s not necessary and it takes way more than a week to decompress the need to city-drive.
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Jul 5, 2020 21:33
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Bum the Sad posted:
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Jul 5, 2020 21:35
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says that only came about because someone stood one one leg and pressed one of the buttons with his foot while shoving his free hand in there.
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Cojawfee posted:Doesn't seem too bad. If it's like this one, it requires you to use both hands to push two buttons so you can't have your hands in there when it cuts. I've worked at a place with a lot of hourly manufacturing people, and the hardware crew were careful to require two hands to switch on one of the workstations. Shortly after that there was a lost time injury report where someone stuck their hand in, pressed one of the buttons, and had another user press the second button.
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Jul 5, 2020 21:37
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It's just the part where the operator is sticking their hand completely under the blade that freaks me out, I understand it takes two hands to operate to prevent accents, but imagine sticking your head under a guillotine even with it secured.
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Jul 5, 2020 21:48
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https://i.imgur.com/wiNPSXn.mp4
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Jul 5, 2020 21:58
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rock em sock em trucks
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Jul 5, 2020 22:04
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LifeSunDeath posted:It's just the part where the operator is sticking their hand completely under the blade that freaks me out, I understand it takes two hands to operate to prevent accents, but imagine sticking your head under a guillotine even with it secured.
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Jul 5, 2020 22:06
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Jul 5, 2020 22:14
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norton I posted:I've worked at a place with a lot of hourly manufacturing people, and the hardware crew were careful to require two hands to switch on one of the workstations. I forget where I read this, but there was an account of someone operating a guillotine at a paper mill in the 1960s, I think. Pedal-only operation, both hands in the wrong place as the foot went down on autopilot. I forget if this was a second or first hand account but I recall the operator saw their hands on the table and tried to pick them up. Pun intended and regretted.
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Jul 6, 2020 00:11
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Laughing at that truck
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Jul 6, 2020 00:16
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gently caress mythbusters lied to me, a big rear end truck can totally catch air
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Jul 6, 2020 01:03
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LifeSunDeath posted:It's just the part where the operator is sticking their hand completely under the blade that freaks me out, I understand it takes two hands to operate to prevent accents, but imagine sticking your head under a guillotine even with it secured. We have those machines at work, I'm pretty sure the exact model no less. They also require 3 buttons pressed simultaneously to operate, two hand buttons at waist level about 4 feet apart and a foot pedal, so not only does it require hands to be out from under the blade, the easiest way to press the buttons is by standing upright. It's definitely possible to use it in an unsafe way, particularly if a second person is there, but without literally disabling the safety interlocks or having two people push the buttons, it's drat hard to operate unsafely, and there wouldn't be an advantage to doing so.
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Jul 6, 2020 01:05
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https://i.imgur.com/0R4t2Pd.mp4 wonder how the suspension is after that
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Jul 6, 2020 04:16
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starkebn posted:wonder how the suspension is after that those guys deserve more than just suspension for that. id have fired them!
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Jul 6, 2020 04:21
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Azathoth posted:We have those machines at work, I'm pretty sure the exact model no less. I used to work in a print shop. One of the old timers was telling us how you could just tape a stack of coins over one of the buttons to hold it down. I stayed the Hell away from that guy.
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Jul 6, 2020 04:29
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PhotoKirk posted:I used to work in a print shop. One of the old timers was telling us how you could just tape a stack of coins over one of the buttons to hold it down. I'm very grateful to work in a shop where that would end in that person never operating anything more dangerous than a 3 hole punch ever again.
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Jul 6, 2020 04:33
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Vindolanda posted:I forget if this was a second or first hand account but I recall the operator saw their hands on the table and tried to pick them up. Zeroth hand account.
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Jul 6, 2020 04:36
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PhotoKirk posted:I used to work in a print shop. One of the old timers was telling us how you could just tape a stack of coins over one of the buttons to hold it down. One of my recent projects at work was auditing some of the older press controls specifically to make sure that doesn't work
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Jul 6, 2020 04:45
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shame on an IGA posted:One of my recent projects at work was auditing some of the older press controls specifically to make sure that doesn't work The most common method is a switch that has to be released before you can press it again, right?
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Jul 6, 2020 04:56
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No the modern stuff has tie-down protection even for the first actuation. Both buttons have to be pressed within 500ms of each other or nothing happens. Where it gets weird is that these are usually pneumatic controls, it would be easy-peasy to trigger a rising edge timer with electronics but IDK the exact details of how that's pulled off mechanically. The controller valves come as a black box module from the vendor, you just connect the momentary pushbutton valves to the inputs and then it pressurizes an output line when everything is done right the magic search term is "two hand no tie down" if you'd like to know more shame on an IGA fucked around with this message at 05:08 on Jul 6, 2020 |
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Jul 6, 2020 05:00
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PhotoKirk posted:I used to work in a print shop. One of the old timers was telling us how you could just tape a stack of coins over one of the buttons to hold it down. LoL freakin captain Murphy over here's all like "The fuse blew? Well cram a penny in there!"
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Jul 6, 2020 05:06
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The guy we contracted out for implementing controls used these "zero force" buttons for safety. https://ab.rockwellautomation.com/Push-Buttons/Specialty/800Z-Touch-Palm I don't know how one would be able to mechanically bypass that system. Tape in a water filled glove?
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Jul 6, 2020 05:10
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we've got a bunch of those in another application for one-handed use, they're surprisingly fragile for a $600 button with no moving parts
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Jul 6, 2020 05:21
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shame on an IGA posted:No the modern stuff has tie-down protection even for the first actuation. Both buttons have to be pressed within 500ms of each other or nothing happens. <superman 3> Both keys at same time?
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Jul 6, 2020 08:54
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starkebn posted:https://i.imgur.com/0R4t2Pd.mp4 Like something you'd see on Animal Planet.
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Jul 6, 2020 10:29
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Chemical safety pro-tip: don't mix your piss jar with your potassium jar https://twitter.com/WhoresofYore/status/1279872708902375424 Laughs and winces aside, how does the reaction of potassium with urine (presumably mostly with the water) result in reduced pressure in the bottle? Is it from the metal that didn't react with the water being heated enough to burn, and consuming the oxygen in the bottle?
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Jul 6, 2020 10:44
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GotLag posted:Chemical safety pro-tip: don't mix your piss jar with your potassium jar https://www.youtube.com/watch?v=28TIyWdfxxc
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Jul 6, 2020 11:09
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GotLag posted:Chemical safety pro-tip: don't mix your piss jar with your potassium jar the kid tried to gently caress the bottle
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Jul 6, 2020 11:12
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GotLag posted:Chemical safety pro-tip: don't mix your piss jar with your potassium jar Potassium + water makes potassium hydroxide and hydrogen gas. The hydrogen then burns with atmospheric oxygen, with the net effect of taking gas out of the air. Of course the heat produced raises the pressure of the remaining gases, I haven't done the math on which effect overpowers the other.
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Jul 6, 2020 12:01
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https://i.imgur.com/1Y5ntls.gifv
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Jul 6, 2020 12:07
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Is that a Catillac or a Meowta?
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Jul 6, 2020 12:15
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I thought the engine was purring
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Jul 6, 2020 12:16
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Vincent Van Goatse posted:I thought the engine was purring They are installing a new one.
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Jul 6, 2020 12:24
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GotLag posted:Chemical safety pro-tip: don't mix your piss jar with your potassium jar Naptha is ignited briefly Pressure now slightly elevated because of the warm temp and new gas, but equalizes with atmospheric possibly going pfffbbtbpfpfbf around the dick It seals around the dick and cupping takes over as the mass of gas cools back to room temp. Lots of vacuum can be had very quickly without much temp change when cupping, the traditional way is you just hold a match or candle inside a jar for a few seconds before applying .
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Jul 6, 2020 13:25
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starkebn posted:https://i.imgur.com/0R4t2Pd.mp4 Nature is a wonderful thing.
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Jul 6, 2020 13:28
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Moo the cow posted:Both keys at same time? Thank you for making me realize my brain recalls this scene in its entirety despite not having seen the film for 25+ years
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Jul 6, 2020 13:37
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https://thumbs.gfycat.com/CloudyLameHog-mobile.mp4
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Jul 6, 2020 13:56
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Carecat posted:Yeah like I said I think they get more lessons than they actually show but in season 5 a guy chainsaws a bedroom door in the first five minutes. Stuff like that makes me question what is genuine. I don't find it hard to believe bad handymen will use the wrong tools and use them incorrectly so out of all Reality TV it may need less manipulation than usual but people are always getting told how to act and what to do for TV. I absolutely believe it, especially after this weekend. A guy across the street was removing some palm trees from his lawn and he decided to just tie his truck to the tree by a tow strap and yank it out. I took video and I'll upload it once I can stitch the clips together. Strap came off the truck at least 6 times because he just had it looped around the tow hitch instead of tied on. When he was having trouble pulling from the base he looped the strap around the top of the tree, immediately causing it to pull off over the top (like taking a scrunchie off your ponytail) as soon as it went slightly horizontal. He did this 3 times before realizing his mistake. When the trunk started breaking instead of pulling out by the roots, he went into his garage and came back dual wielding a reciprocating saw and a beer to try and cut the trunk. By the time he actually had the tree out, there was a stump surrounded by broken wood and a massive patch of bare dirt on his lawn and he had torn the poo poo out of his grass with his tires from the constant pulling and shifting position. He ended up just staring at the scene with a beer, right in the middle of the road, like he was contemplating suicide.
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Jul 6, 2020 14:26
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