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MethodExit bag and inert gas megathread
Thread starterTiredHorse
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I think I need this adapter for my SCUBA setup. If anyone know where I can buy this adapter, please send me a private message! I found it in one place but it's out of stock :(
I tried this today, felt MUCH much better, no panic response at all, actually felt like breathing normal air. I think I made it 15-20 seconds this time
That's pure placebo effect. You shouldn't feel anything specific during 20 seconds even with zero LPM gas flow. This time is not enough for accumulating a noticeable amount of carbon dioxide.
Making a small hole at the top of the bag should solve this problem. And by the way, in a semi-sitting position, heavy gases should be more efficient than nitrogen at displacing residual oxygen from the lungs. The difference between nitrogen and argon probably wouldn't be noticeable, but xenon or sulfur hexafluoride theoretically can work considerably faster.
It seems to me that SCBA is more reliable than EEBD, what do you think about that?
It seems to me that the SCBA mask is more securely fastened to the head, and if I fall, for example, there is less chance that it will fall off than the EEBD. And also if for some reason the regulator stops supplying gas to the mask there will be no oxygen there anyway, if the regulator in the EEBD method stops supplying gas I think the hood can be filled with ambient air, so we will have access to oxygen.
i've been looking all over the internet for an adapter for the scuba setup. could you please send me a private message of the website that you bought yours from.
It seems to me that SCBA is more reliable than EEBD, what do you think about that?
It seems to me that the SCBA mask is more securely fastened to the head, and if I fall, for example, there is less chance that it will fall off than the EEBD. And also if for some reason the regulator stops supplying gas to the mask there will be no oxygen there anyway, if the regulator in the EEBD method stops supplying gas I think the hood can be filled with ambient air, so we will have access to oxygen.
Why would you fall? Why not strap your torso to an armchair (with tie-down straps/luggage straps)? Anyways, from what people have said here previously, you can do the SCBA method lying down.
SCBA method is probably more efficient and the masks probably have a superior exhalation valve. But it's a lot more expensive setup.
EEBD hoods and exit bags have worked for people when done properly.
If the gas supply to the EEBD hood stops, the oxygen concentration will slowly start to increase.
From my measurement, the oxygen concentration increased from 0.8% to 2% after 10 minutes.
So, assuming the hood is fitted properly around the collar area, there's still enough time before the oxygen concentration gets too high.
Reactions:
UnwillingSavior, DeadHead and Username1
Hi, the PPH seems to mention a specific 3M mask/hood that could be used for this method. Do we know if it works? If so, what materials would I need to use to get it connected to the cylinder/regulator/inert gas hose?
Hi, the PPH seems to mention a specific 3M mask/hood that could be used for this method. Do we know if it works? If so, what materials would I need to use to get it connected to the cylinder/regulator/inert gas hose?
Some hoods have worked for people, I'm not sure what hood is mentioned in the PPH.
The cheapest method to hook a hood up is to cut off the hood hose connector and connect the hose directly to a regulator hose barb that comes with most regulators, using hose clamps.
For some Scott hoods, like the ELSA hood, the hood hose connector can be plugged into a female Rectus 95 ks coupling, which can be attached directly to regulators from some regions (e.g. British standard regulators, like in the last setup on this page thread )
In some regions, like in the U.S., another adapter is needed to go between the coupling and the regulator.
Если подача газа в капот EEBD прекратится, концентрация кислорода начнет медленно увеличиваться.
Из моего измерения концентрация кислорода увеличилась с 0,8% до 2% через 10 минут.
Таким образом, при условии, что капюшон правильно установлен вокруг области воротника, еще достаточно времени, прежде чем концентрация кислорода станет слишком высокой.
It would be possible to repeat the experiment only this time to stir the hood a little or to make small sharp pulls (to imitate cramps), you can see what will happen if the air will not be standing, making the room ventilated or from afar to direct on the area of the collar of the hood air flow with a hair dryer.
EEBD hood like vizzie with 25 LPM Nitrogen tried two times what felt like a minute each. did not blackout. heart beat sped up a lot and felt the need to take off. Any thoughts?
Ultimately, it's you're S.I. that's stopping you, and the only way to get over that is if your desperation to ctb is powerful enough.
A different method, with a more instant way out, might suit you better. But S.I. will still probably hit you beforehand.
EEBD hood like vizzie with 25 LPM Nitrogen tried two times what felt like a minute each. did not blackout. heart beat sped up a lot and felt the need to take off. Any thoughts?
Can I ask what different method more instant there is? I can only think gun.
I would have thought you should have lost consciousness before the 60 second mark, going by what others have said here previously, if it was set up properly.
Did you do an oxygen test using an oxygen meter on your finger? Or test for leaks (putting soapy water on the connections, to check for air bubbles)?
Did you feel any suffocation- type symptoms, or was it s.i. that caused you to take off the hood?
The hood method has worked for people before, e.g. this person.
As regards more instant methods, hanging (relatively quick) and jumping from a height would be in that category, as well as using a gun.
It seems to me that SCBA is more reliable than EEBD, what do you think about that?
It seems to me that the SCBA mask is more securely fastened to the head, and if I fall, for example, there is less chance that it will fall off than the EEBD. And also if for some reason the regulator stops supplying gas to the mask there will be no oxygen there anyway, if the regulator in the EEBD method stops supplying gas I think the hood can be filled with ambient air, so we will have access to oxygen.
I heard Nitrogen was the popular one everybody was going for, both will work though, i think even Argon might work. I'd just go with whichever one is easier for you to buy tbh as long as it is high purity and not diluted.
If I order a tank of oxygen-free nitrogen and a regulator in the UK, from a source named in the PPH, am I likely to run into any issues or will it be delivered without question? This might have been asked before but I wondered what the current status is on ordering such things, as I know there has been a crackdown on ordering SN recently. It's going to cost me the best part of £200 so I don't want to waste money I don't have. I've already lost money ordering SN that got intercepted. Thanks.
40 cu ft = ~ 1133 litres of compressed gas.
At a flowrate of 25 litres per minute (LPM), that gives ~45 mins of gas.
The PPH says that death occurs in 5-10 mins.
Can you elaborate the need for such a high purity? I don't see reasons why 98 - 98.5% Ar wouldn't work well enough.
98% Ar + 2% N2 should be okay, because N2 is just another inert gas.
98% Ar + 2% O2 should be okay, because concentrations of O2 below 6% are lethal and cause fainting quickly. [1]
98.5% Ar + 1.5% CO2 can be slightly worse but still okay, because concentrations of CO2 at 15000 - 20000 ppm cause mild effects during short periods of time [2], and you can hyperventilate to negate these effects.
The purpose of this Respirator Selection Logic (RSL) is to provide guidance to respirator program administrators on respirator selection that incorporates the changes necessitated by the revisions to the respirator use and certification regulations and...
hello everyone, thank you for the advice. My apologies if someone already ask this question.
I have my n2 setup ready. I've tested the setup to fill the bag, and it inflated fully in about 2 minutes, didn't seem to have any leaking.
but I don't have oxygen detector to test the n2 purity or o2 inside the bag. Found this one online but it's too costly for me.
Is there other less costly way to test the o2 level, or can I do without? thanks in advance
Apologies if this has been mentioned before, but I watched a video by Vice that claimed that once you pull the bag down and breathe in the inert gas, you should lose consciousness withing a FRACTION OF A SECOND, so basically immediately (as long as you exhale and hold your breath for a minute before you pull the bag down, I believe).
Why does it seem that people are taking much longer than that to pass out? It allows SI to kick in and it's the major cause for failed attempts, it looks like. Are people just not holding their breath for a minute before pulling the bag down?
Apologies if this has been mentioned before, but I watched a video by Vice that claimed that once you pull the bag down and breathe in the inert gas, you should lose consciousness withing a FRACTION OF A SECOND, so basically immediately (as long as you exhale and hold your breath for a minute before you pull the bag down, I believe).
Yeah, that is not possible. However, if you don't breathe oxygen at all, it should take around 10 - 30 seconds. Just search for videos that show people accidentally blacking out after breathing from helium balloons. They don't even wear hoods or bags but still pass out. These videos also demonstrate that the process is completely painless.
Maybe flammability test with hydrogen? Hydrogen requires a relatively small concentration of O2 for ignition - greater than 4.5%. If you can't burn hydrogen in the atmosphere of your inert gas, this means that the concentration of O2 there is probably less than 5%.
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