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finally got round to filling the bath tub, huh
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Apr 26, 2019 17:34
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H110Hawk posted:https://www.reddit.com/r/pics/comments/bhgdh1/what_happens_when_youre_renovating_and_remove_a/ This picture triggers me, not because the house is collapsing, but because the picture is tilted, yet doesn't match the tilt of the pillars. My Lovely Horse posted:finally got round to filling the bath tub, huh 
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Apr 26, 2019 18:00
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Bad Munki posted:Bob's Building Co. is announcing it is declaring bankruptcy and will be closing immediately. The new, sky-high insurance premiums for Bob to run any present/future contracting business will probably bankrupt him personally, but the homeowners will be made whole by InsuranceCo guaranteed by the bond. That's why you make sure your contractors are licensed, bonded, and insured. Joe the handyman you found on Nextdoor would skate out of there faster than your homeowner's insurance would deny your claim, or worse, he'd be hurt/killed by the falling roof, and now him/his family are suing you personally as well. Since Joe isn't going to pull permits either, your local township/county is just going to laugh at you as you face complete destitution.
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Apr 26, 2019 19:50
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B-Nasty posted:Since Joe isn't going to pull permits either, your local township/county is just going to laugh at you as you face complete destitution. Nope. They're going to tell you "you need 24x7 site security until you get a fence up, and you have 7 days to remove this, and you need a demo permit."
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Apr 26, 2019 21:25
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Motronic posted:Nope. They're going to tell you "you need 24x7 site security until you get a fence up, and you have 7 days to remove this, and you need a demo permit." At which point *I* would declare bankruptcy and now the city owns the house. I know it doesn't work this way.
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Apr 26, 2019 22:56
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H110Hawk posted:https://www.reddit.com/r/pics/comments/bhgdh1/what_happens_when_youre_renovating_and_remove_a/ 
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Apr 26, 2019 23:20
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Ashcans posted:It didn't stop there! Most ISO HO-3 homeowner's insurance policies cover collapse while in the course of construction.
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Apr 27, 2019 01:10
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Blindeye posted:I asked this in the home ownership thread but may as well ask here. I have an attached garage and have only the fire barrier wall covered in drywall. The rest was unfinished, so I put in electrical and insulation, but I haven't made up my mind about cladding the walls. Drywall is the safest option but a pain in the rear end and plywood/osb would be easier for setting up my wall storage. The building code says walls adjacent to living spaces must be drywall, which I take to mean just the one wall. This was mostly answered already, but keep in mind that type X drywall 5/8 thick will have a 1 hour burn through time, while regular 1/2 drywall has 30 minutes.
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Apr 27, 2019 03:58
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The Gardenator posted:This was mostly answered already, but keep in mind that type X drywall 5/8 thick will have a 1 hour burn through time, while regular 1/2 drywall has 30 minutes. Can always put on multiple layers of drywall
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Apr 27, 2019 05:53
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Can someone explain the diodes in parallel thing?
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Apr 27, 2019 06:24
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technically explain? yes. morally/logically? not a loving chance.
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Apr 27, 2019 06:42
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Queen Combat posted:Can someone explain the diodes in parallel thing? When the voltage between one side of a diode and the other reaches a certain threshold, the diode will allow current across. Say this threshold is 0.7 V. Put 0.69 V (nice) across the diode, and you’ll get 0 V on the otherwise. Put 0.8 V across, and you’ll get 0.1 V on the other side. Diodes are directional, and ideally they don’t let any current go the wrong way. Key to understanding why wiring a bunch of diodes together is bad is 1) the threshold for every diode, even of the same model and batch, is slightly different and 2) diodes present very little resistance to current once their threshold is crossed. So what happens is that one of the diodes in that bundle will reach its threshold first and conduct all the current. The others will do nothing. They won’t share the load. The first diode will fail from overheating, and then the same cycle will continue with the diode that formerly had the second‐lowest threshold. It’s like if you have a dyke along a river. Rising water isn’t going to overtop it all along its length simultaneously and gently trickle down a face a kilometre in length.. There’s going to be one spot that happens to be slightly lower, and that spot is going to get overtopped and quickly eroded.
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Apr 27, 2019 07:21
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Platystemon posted:It’s like if you have a dyke along a river. Rising water isn’t going to overtop it all along its length simultaneously and gently trickle down a face a kilometre in length.. There’s going to be one spot that happens to be slightly lower, and that spot is going to get overtopped and quickly eroded. Diodes also are weird in that they'll want .7 volts across them no matter what, so when they get hot, they conduct less, so they steal more current to keep that 0.7 volt drop, so they get hotter so they steal more current, and very rapidly end up releasing the magical blue smoke in rapid progression. The picture is less a useful thing that'll work and more a really creative incense burner if you really love the smell of fried power electronics.
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Apr 27, 2019 13:48
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for those of you with lots of smaller sized screwdrivers and bits - try a roll-up pencil or brush case. that's helped me keep track of all my small screwdrivers including the torx and pentalobe and security and that one bit where I think part of it is in a dimension that doesn't exist
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Apr 29, 2019 16:27
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Platystemon posted:When the voltage between one side of a diode and the other reaches a certain threshold, the diode will allow current across. Unfortunately, this is simplification is actually incorrect for a few reasons: 1. You can't just consider the nominal forward voltage of the diode, you need to look at the IV curve. If you have two slightly-mismatched diodes, one won't be fully on and the other fully off--they'll both conduct, but they'll conduct unequally. 2. The diodes have series resistance, which allows an even larger range of mismatched diodes to conduct. The resistance comes from the wire leads, the wire-to-die bond resistance, stuff like that. The more current through an individual diode, the greater the voltage drop--this helps normalize the equivalent impedance of each diode at a given voltage. This was obviously implemented in an awful way here and seems a great way to cause a short. Paralleling a bunch of diodes is something that gets done (presumably because it's sometimes cheaper than buying actual power rectifiers connected to actual heatsinks), but it has limitations afaik: 1. The diodes need to be strongly thermally coupled with each other. If there's a significant temperature difference, it can make the current sharing even worse. 2. You need to either design for the worst mismatch (taking into account temperature mismatch too) based on the diode specs, use matched sets of diodes, or use a lot more diodes than is necessary as a factor of safety (ensuring that at least a certain portion are reasonably matched). EDIT: Slight correction--thermal coupling is of largest concern with schottky diodes, since their forward voltage will drop with temperature, leading to increased current when paralled (which leads their temperature increasing even faster, which also increases the current and then you get thermal runaway i guess) Slanderer fucked around with this message at 20:08 on Apr 29, 2019 |
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Apr 29, 2019 19:45
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Methylethylaldehyde posted:Diodes also are weird in that they'll want .7 volts across them no matter what, so when they get hot, they conduct less, so they steal more current to keep that 0.7 volt drop, so they get hotter so they steal more current, and very rapidly end up releasing the magical blue smoke in rapid progression. That's just fuckin' poetic right there.
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Apr 29, 2019 21:22
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My friend's road is getting all dug up because ti's developed a bunch of sink holes and a few houses can't flush their toilets so something has gotten hosed up. Turns out what's happened is rats. Hundreds, thousands of rats have made burrows under the road, some how tunneled through old concrete, and have now broken pipes due to the shifting ground. From the city worker's description almost the entirety of the road is resting on a carpet of rats.
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May 1, 2019 15:49
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Baronjutter posted:My friend's road is getting all dug up because ti's developed a bunch of sink holes and a few houses can't flush their toilets so something has gotten hosed up. Turns out what's happened is rats. Hundreds, thousands of rats have made burrows under the road, some how tunneled through old concrete, and have now broken pipes due to the shifting ground. The stuff nightmares are made up. Where is this?
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May 1, 2019 16:50
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GreenNight posted:The stuff nightmares are made up. Where is this? Victoria BC. We have some extremely old and poorly kept infrastructure under our roads. Like wooden pipes and 100+ year old masonry storm drains that haven't been touched since they were built and a lot of it is falling apart at the same time now. Most of the city is fairly rocky, but my friend's neighbourhood is mostly clay and her road is easily 100+ years old and was basically just paved over and over on top of a foundation of a lovely clay and gravel wagon trail.
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May 1, 2019 17:09
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Baronjutter posted:Victoria BC. We have some extremely old and poorly kept infrastructure under our roads. Like wooden pipes and 100+ year old masonry storm drains that haven't been touched since they were built and a lot of it is falling apart at the same time now. This is how the Ratpocalypse happens isn't it? Millions of rat-creature type aliens are going to flood out of that road when they open it up and then will head south, sweeping the entire west coast and devouring everything and everyone. Any survivors will succumb to plague.Then, instead of heading to Mexico, the will hit the border wall and start working their way east, where they will meet up with the colonies of rats living under the East Coast cities. With a the Rat King already occupying the white house, there will be no effective resistance effort. The entirety of the US and Canada (below the arctic circle) will be devoured.
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May 1, 2019 20:05
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therobit posted:This is how the Ratpocalypse happens isn't it? Millions of rat-creature type aliens are going to flood out of that road when they open it up and then will head south, sweeping the entire west coast and devouring everything and everyone. Any survivors will succumb to plague.Then, instead of heading to Mexico, the will hit the border wall and start working their way east, where they will meet up with the colonies of rats living under the East Coast cities. With a the Rat King already occupying the white house, there will be no effective resistance effort. The entirety of the US and Canada (below the arctic circle) will be devoured. It's called the Vermintide.
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May 1, 2019 21:01
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Plastik posted:It's called the Vermintide. Do I get to be a flamethrower dwarf?
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May 1, 2019 22:32
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https://i.imgur.com/Q2pw4v6.gifv e: I thought I was in the OSHA thread but I’m leaving it.
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May 2, 2019 00:06
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Platystemon posted:https://i.imgur.com/Q2pw4v6.gifv That is hella fuckin cool though
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May 2, 2019 03:29
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Baronjutter posted:My friend's road is getting all dug up because ti's developed a bunch of sink holes and a few houses can't flush their toilets so something has gotten hosed up. Turns out what's happened is rats. Hundreds, thousands of rats have made burrows under the road, some how tunneled through old concrete, and have now broken pipes due to the shifting ground. lmao 
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May 2, 2019 06:25
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Plastik posted:It's called the Vermintide. Zerg rush. Nuevo posted:That is hella fuckin cool though It is, it's just the amazing lack of safety gear while handling molten metal. Grinding face mask that will melt instantly, no apron, no gloves. Yikes.
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May 3, 2019 23:47
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I thought molten metal plus water equals explosion??? BRB E: 
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May 3, 2019 23:59
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Wasabi the J posted:I thought molten metal plus water equals explosion??? I think there's not actually water in there, just the spheres themselves are water-gel-things?
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May 4, 2019 00:30
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Also it's aluminium, which melts at a relatively low temperature (as you can tell from the lack of glowing redness). If you poured molten iron into a tank of gel beads your life would get exciting.
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May 4, 2019 05:04
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Let's just douse poo poo in lox and set it on fire. https://www.youtube.com/watch?v=8Ab3hyDKsj0
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May 4, 2019 08:47
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Are they just wearing nitrile gloves, or is there some similar product that might actually provide (some) protection? I mean I think I know the answer but I'm hoping...
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May 4, 2019 12:49
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The pyromaniac in me is fascinated by this. I do love how their safety and science adviser is a an undergrad student still working on their degree.
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May 4, 2019 15:07
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Aluminum coral? Them fishes gon' get alzheimers.
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May 4, 2019 16:33
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wesleywillis posted:Aluminum coral? it doesn't seem like a smart thing to do...
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May 4, 2019 17:35
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May 4, 2019 22:22
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It looks like an ugly building on piers. What am I missing?
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May 4, 2019 22:47
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Motronic posted:It looks like an ugly building on piers. What am I missing?
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May 4, 2019 22:54
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Groverhotel
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May 4, 2019 23:05
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Turtlicious posted:Let's just douse poo poo in lox and set it on fire. Ugh, the king of random. Can’t stand that channel.
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May 4, 2019 23:08
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Motronic posted:It looks like an ugly building on piers. What am I missing? Is that not enough? It's hideous!
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May 5, 2019 00:49
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