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big crush on Chad OMG posted:With a .308 from about 200 yards Seems like a lot of effort when you could calmly walk up with a pair of side-cutters and cut the valve stem.
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Sep 10, 2019 17:15
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Remember that is a literal bomb. Given the two options, how would you prefer to disarm a bomb?
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Sep 10, 2019 17:31
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um excuse me posted:Remember that is a literal bomb. Given the two options, how would you prefer to disarm a bomb?
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Sep 10, 2019 17:40
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Krakkles posted:The inclusion of the word "calmly" makes me think it was a joke - I can't imagine anyone halfway sane being at all calm in the general vicinity of that tire. The photographer is most likely dead, was probably obliterated by a pressure wave 0.01 seconds after he took the shot.
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Sep 10, 2019 17:44
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How did this happen to begin with?
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Sep 10, 2019 18:03
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C-Bangin' it 
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If it's not visibly growing or changing shape, it's found some point of temporary stability, so if you don't actively poke at it then it's safe enough to cut the valvestem. Just because it's a bomb doesn't mean it's exploding right this second. If it is visibly growing or changing shape, then stand back to a safe place and watch the show.
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Sep 10, 2019 18:24
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rndmnmbr posted:If it's not visibly growing or changing shape, it's found some point of temporary stability, so if you don't actively poke at it then it's safe enough to cut the valvestem. Just because it's a bomb doesn't mean it's exploding right this second. Sorry I was being obtuse with the question. Is there some tire inflator that was the root cause?
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Sep 10, 2019 18:27
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Colostomy Bag posted:Sorry I was being obtuse with the question. Is there some tire inflator that was the root cause? Air gets outside the pressure vessel, basically, and under the squishy rubber skin
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Sep 10, 2019 18:32
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Colostomy Bag posted:Sorry I was being obtuse with the question. Is there some tire inflator that was the root cause? It's a failure of the tyre structure. Parts of the carcass have separated and allowed air between the layers. The air has got between the srtuctural carcass with the steel belts and the outer rubber and tread.
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Sep 10, 2019 18:34
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rndmnmbr posted:If it's not visibly growing or changing shape, it's found some point of temporary stability, so if you don't actively poke at it then it's safe enough to cut the valvestem. Just because it's a bomb doesn't mean it's exploding right this second.
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Sep 10, 2019 18:49
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What PSI do those monsters operate at?
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Sep 10, 2019 18:52
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Krakkles posted:You must not be American. The solution to everything is guns. It's a tire not a school, sheesh
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Sep 10, 2019 18:54
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insta posted:It's a tire not a school, sheesh
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Sep 10, 2019 18:57
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insta posted:It's a tire not a school, sheesh Hey now, we shoot lots of things that aren't schools.
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Sep 10, 2019 19:09
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Like deer! Not a single natural area in my region would exist if it weren't for hunters demanding a place to murder ungulates.
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Sep 10, 2019 19:13
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Colostomy Bag posted:What PSI do those monsters operate at? All the PSIs.
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Sep 10, 2019 19:17
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xzzy posted:Like deer! If only deer would cull themselves instead of running into cars. Or have some disease.
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Sep 10, 2019 19:31
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rndmnmbr posted:If it's not visibly growing or changing shape, it's found some point of temporary stability, so if you don't actively poke at it then it's safe enough to cut the valvestem. Just because it's a bomb doesn't mean it's exploding right this second. Metastability doesn't mean "won't suddenly jump for a new equilibrium without warning."
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Sep 10, 2019 19:38
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Phanatic posted:Metastability doesn't mean "won't suddenly jump for a new equilibrium without warning." An activated hand grenade experiences a full seven seconds of metastability! It's safe! or however many fuckin seconds, idk
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Sep 10, 2019 19:55
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Colostomy Bag posted:What PSI do those monsters operate at? I think the last time that photo showed up I heard 90-100. Also I am part of a Facebook group that has a lot of heavy equipment owners and operators in it. When that photo was posted there they all commented about just cutting the valve stem or stabbing it with various implements, some in a way that sounded like they'd done it before. None of them seemed at all put out by the idea, but it may just be the same machismo that requires them to drive F350s.
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Sep 10, 2019 19:58
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Disgruntled Bovine posted:I think the last time that photo showed up I heard 90-100. Yeah, what i was getting at. Boyle's law. Hell cut the stem probably had to be around 25 at that point.
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Sep 10, 2019 20:05
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All joking aside, two major points: The fact that any number of people have done it before without issue doesn’t mean its actually safe, and honestly, while I’m sure there’s a decent chance you could safely cut the stem, I’d personally use the .308 just because guns are fun. I’m not a 2Aer, but it would be a great use of a gun, and it would be safer.
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Sep 10, 2019 22:00
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Phanatic posted:Metastability doesn't mean "won't suddenly jump for a new equilibrium without warning." No, and I wouldn't stand around it or poke at it or make funny faces at it, but a quick in-and-out with sidecutters probably wont turn you into fine red paste today. Everyone has to judge their own balance between safety and getting the job done, but I'd cut the valvestem and not think twice on it. This is a good place to link Mike Rowe's 'Safety Third' statement. There is a definite risk of that tire killing anyone inside the blast zone, and steps should be taken to mitigate that risk. But it can't be eliminated without airing the tire down, and I personally think firing a rifle on the jobsite to be far more dangerous than just cutting the drat valvestem. Be quick, don't be stupid, and assume the risk. e. Also a .308 is overkill, a .22 would do the job. e2. Here's a good question, though, on a tire that big does it actually have a standard Schrader-style valve stem, or something bigger and beefier? rndmnmbr fucked around with this message at 22:26 on Sep 10, 2019 |
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Sep 10, 2019 22:07
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Colostomy Bag posted:If only deer would cull themselves instead of running into cars. Or have some disease. They do, and even better, it's a contagious prion disease like mad cow! https://en.m.wikipedia.org/wiki/Chronic_wasting_disease
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Sep 10, 2019 22:42
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rndmnmbr posted:No, and I wouldn't stand around it or poke at it or make funny faces at it, but a quick in-and-out with sidecutters probably wont turn you into fine red paste today. Everyone has to judge their own balance between safety and getting the job done, but I'd cut the valvestem and not think twice on it. It's like a Schrader but bigger. A normal air chuck won't fit on them but the large size isn't too difficult to find. And I'm echoing others that if it's been sitting like that for a bit and isn't growing or changing shape anymore and hasn't exploded yet then it's safe enough to walk up and remove the valve stem.
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Sep 11, 2019 02:42
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EKDS5k posted:It's like a Schrader but bigger. A normal air chuck won't fit on them but the large size isn't too difficult to find. And I'm echoing others that if it's been sitting like that for a bit and isn't growing or changing shape anymore and hasn't exploded yet then it's safe enough to walk up and remove the valve stem. I would do it first thing in the morning. My thinking is that it’s coolest then, which makes the pressure inside a little lower and the rubber a little stronger.
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Sep 11, 2019 03:30
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It also hasn't had breakfast yet.
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Sep 11, 2019 03:42
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PainterofCrap posted:It also hasn't had breakfast yet. I mean, it worked at the Battle of Ilipa.
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Sep 11, 2019 03:56
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Platystemon posted:I would do it first thing in the morning. There's also a fair chance the problem would solve itself if given enough time, too, so yeah leaving it overnight is a good idea.
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Sep 11, 2019 05:21
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rndmnmbr posted:Everyone has to judge their own balance between safety and getting the job done, but I'd cut the valvestem and not think twice on it. https://youtu.be/HANwJp8Z5mc I dislike guns in the hands of 99% of people too but this seems like a purpose-built application for a sharpshooter, or else a robot with a sharp pointy stick. gently caress getting anywhere close to that thing.
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Sep 11, 2019 05:29
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`Nemesis posted:They do, and even better, it's a contagious prion disease like mad cow! That's in my area and I got a video of a deer that almost undoubtedly had it walking around in my backyard. Contacted the DNR and if it shows up again I have a guy to call and I guess he'll probably ask me to shoot it. CWD is loving awful.
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Sep 11, 2019 14:00
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rndmnmbr posted:No, and I wouldn't stand around it or poke at it or make funny faces at it, but a quick in-and-out with sidecutters probably wont turn you into fine red paste today. Everyone has to judge their own balance between safety and getting the job done, but I'd cut the valvestem and not think twice on it. I wouldn't, and I used to detonate high explosives for a living. quote:But it can't be eliminated without airing the tire down, and I personally think firing a rifle on the jobsite to be far more dangerous than just cutting the drat valvestem. Why? To me, that tire is no different than a piece of unexploded ordnance. Has it exploded? No. Is it currently exploding? No. But that's just like the line in a stock prospectus: "Past performance is no guarantee of future results." And I'd no more walk up to that thing and poke at it then I would a piece of UXO. It could go at any time, and simply being in proximity to it is a risk for fatal injury. Poking at it, even moreso. All the ways to mitigate that risk involve not being in proximity to it. Firing a rifle on the jobsite carries risks that are far more controllable. You could put a backstop in place. You can clear a fire zone. You can defer firing until you've ensured the danger area is clear. All of which are practices any place using trucks that big are probably already familiar with, because they're already in the practice of blowing stuff up. quote:e. Also a .308 is overkill, a .22 would do the job. .22LR might be underkill but .223 would certainly work.
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Sep 11, 2019 17:55
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It's not like you're going to shoot at the tire while people are still walking around near the truck.
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Sep 11, 2019 18:07
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Its already half compromised so I bet a .22 would do it. .223 would go through it and possibly ricochet. You can always escalate if it doesn't work.
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Sep 11, 2019 18:08
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Phanatic posted:I wouldn't, and I used to detonate high explosives for a living. honda whisperer posted:Its already half compromised so I bet a .22 would do it. .223 would go through it and possibly ricochet. Agree with the “escalate if it doesn’t work”, 100%.
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Sep 11, 2019 18:39
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A real hunter does this with a longbow.
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Sep 11, 2019 18:41
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TotalLossBrain posted:A real hunter does this with a longbow. Maybe.
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Sep 11, 2019 18:49
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Muzzleloader.
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Sep 11, 2019 18:56
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JATO bottle the dump truck, place a stationary bullet at the end of a rocket sled track you had to build. Do what comes naturally.
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Sep 11, 2019 18:58
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According to the OSHA thread, they ended up shooting it from like, 200m with a Enfield.
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Sep 11, 2019 19:14
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