O

outrider567

Visionary
Apr 5, 2022
2,557
So you fill the hood with nitrogen and pull it on? Then take a few deep breaths? Is that the procedure and how many breaths until blackout?
When I tested mine, after a few breaths at 15 LPM(pre-filled hood), I pulled the hood off when I saw my oxygen level drop to 80 on the oximeter, and it continued to drop to 46 the next 10 seconds, there is a delayed oximeter reading as the Nitrogen surges thru your body,replacing oxygen
According to the PPH, with an Exit Bag you become unconscious after 1 or 2 breaths (having previously hyperventilated before pulling down the bag). Some here have said it takes longer, about 30 seconds.
and as I've said before, that is bullshit, it is more like 5 to 10 breaths, not 1 or 2
 
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Meditation guide

Meditation guide

Always was, is, and always shall be.
Jun 22, 2020
6,089
According to the PPH, with an Exit Bag you become unconscious after 1 or 2 breaths (having previously hyperventilated before pulling down the bag). Some here have said it takes longer, about 30 seconds.
Any idea what would happen if you don't completely empty your lungs first and still have some air in them?
 
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Falling Slowly

Student
Sep 9, 2023
133
Any idea what would happen if you don't completely empty your lungs first and still have some air in them?

It will just take a bit longer to become unconscious I presume, if you don't hyperventilate. You exhale as fully as you can before pulling down the bag/ hood, to try and empty the lungs .

Some say that you don't need to hyperventilate beforehand with an EEBD hood(one with an exhalation valve) as you can exhale any Co2 out the internal valve.
 
Meditation guide

Meditation guide

Always was, is, and always shall be.
Jun 22, 2020
6,089
It will just take a bit longer to become unconscious I presume, if you don't hyperventilate. You exhale as fully as you can before pulling down the bag/ hood, to try and empty the lungs .

Some say that you don't need to hyperventilate beforehand with an EEBD hood(one with an exhalation valve) as you can exhale any Co2 out the internal valve.
I have asthma and PPH said something about not using gas if you have breathing problems.
 
N

NoFutureAnymore

Student
Jul 4, 2023
182
When I tested mine, after a few breaths at 15 LPM(pre-filled hood), I pulled the hood off when I saw my oxygen level drop to 80 on the oximeter, and it continued to drop to 46 the next 10 seconds, there is a delayed oximeter reading as the Nitrogen surges thru your body,replacing oxygen
I bought an oximeter too and I think there is indeed a delay, because the blood also has to flow from your lungs to your finger. I didn't test it with nitrogen yet, but with hyperventilating it took quite some time to see a difference.
Carbon monoxide replaces oxygen, not nitrogen. In case of pure nitrogen it's the lack of oxygen that kills you, so the oxygen level just goes down.
I have asthma and PPH said something about not using gas if you have breathing problems.
Isn't that because you need to hyperventilate with the exit bag? I don't think it's nitrogen itself. The lack of oxygen kills every human.
 
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winterparty

Student
Jul 29, 2023
145
so checking the hose for leaks can be done other than using a spray. How do you do this? Gasmonkey explained it to me but I was't entirely sure how to do it.

BTW: I can't CTB again. Someone was knocking at my door just in that moment to intimidate me. Now I need to find a good spot to do this.
 
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ztem

ztem

Member
Apr 25, 2023
115
so checking the hose for leaks can be done other than using a spray. How do you do this? Gasmonkey explained it to me but I was't entirely sure how to do it.
Soapy water is the best way to check for leaks, just make sure the connection between the regulator and the cylinder is leak free.You can also open the cylinder valve and the regulator's outlet and check the connection between the regulator's outlet thread and the coupler's thread(or the connection between the coupler and the plug of the hose) with soapy water.
 
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Dot

Dot

Info abt typng styl on prfle.
Sep 26, 2021
2,905
Am nt sre wht hs happnd recntly wth inablty 2 dscuss methds w/o lowrng t/ childsh mud-slingng & accusatns bt = goin2 stp

If sme1 asks a questn - jst answr thm

If thr infrmatn = wrng & thy d/ nt hve in-dpth knowldge of a methd thn eithr educ8 thm or refr thm t/ rsourcs or mve on t/ anothr commnt

Ths = nt hgh-schl & no1 els gets 2 dcide 'wh/ b-lngs hre' & wh/ ds nt
 
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MG_39

MG_39

Physically ill suffering couch potato
Jul 5, 2019
211
Yes 5/200bar is more than enough but you know why I said that,you are very afraid of this method and have very intense mental gymnastics,for people like you I think increasing the numbers will give you peace of mind.
Yes true if I lacked the understanding how this method works, and if I had no experience with gas (Do have a lot of experience though) then increasing the amount of available gas could maybe give me some piece of mind.

You wrote "A person like you who is very afraid of that should go with a 10L/200bar(or 50L/200bar" I can't see why 10000l gas would give me any piece of mind. I tried to discuss a very important topic, the flow rate. I don't care if Nitschke (who I don't trust at all, ffs him even showing that Rebreather give a very good hint to take his words with a pinch of salt.) or if some people here believe 15-20lpm will be fine, is not a valid reason to not be able to discuss this.

Why do you think the producers of EEBD-hoods recommend around 40lpm flow rate of breathing oxygen, if 20lpm was enough? It would be better for them if their kits would be possible to use for a longer time.

I don't say that 15-20lpm isn't enough, but it's still an important question, could double the lpm decrease the risk of an hypercapnic response after passing out. Of course people will react different, some people will consume less air, some will feel extreme panic and consume more air, and exhale more co2 that need to be flushed.

And yes with 40lpm 10L/200bar could be suitable (50 minutes, compared to 25 minutes with 5L which would most likely be enough, but some margins for tests and filling hood and such)
 
Dying Knight

Dying Knight

Specialist
Sep 17, 2023
329
According to the PPH, with an Exit Bag you become unconscious after 1 or 2 breaths (having previously hyperventilated before pulling down the bag).
Sometimes passing out may be caused solely by hyperventilation, and in case if blackout really takes place after 1 - 2 breaths, it probably has a little to no relation to inhaling an inert gas. Even if you immediately remove all oxygen from your lungs, some time should pass before the blood with a lack of oxygen in it reaches your brain.
 
ztem

ztem

Member
Apr 25, 2023
115
Why do you think the producers of EEBD-hoods recommend around 40lpm flow rate of breathing oxygen, if 20lpm was enough? It would be better for them if their kits would be possible to use for a longer time.
At first I wrote a long text to answer this, but then I thought I could summarize all those words with one picture.
He used 25LPM.

There was a guy(17 years old,185cm,50kg) in my region who did this with a very small garbage bag,just look at his setup.

I tried to discuss a very important topic, the flow rate
Did you know that you can use a 50L/200bar cylinder with 100LPM?That will give you 100 minutes of gas.As I said buddy, you can increase the numbers as much as you want to find the peace and confidence you are looking for.
 
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N

NoFutureAnymore

Student
Jul 4, 2023
182
Why do you think the producers of EEBD-hoods recommend around 40lpm flow rate of breathing oxygen, if 20lpm was enough? It would be better for them if their kits would be possible to use for a longer time.
I guess they recommend that, because you probably need more oxygen while trying to get out of a burning building (the goal is to keep you alive). You are in a resting position while ctbing and the goal is to get O2 to a minimum. So 2 different situations with two different goals.
 
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MG_39

MG_39

Physically ill suffering couch potato
Jul 5, 2019
211
I guess they recommend that, because you probably need more oxygen while trying to get out of a burning building (the goal is to keep you alive). You are in a resting position while ctbing and the goal is to get O2 to a minimum. So 2 different situations with two different goals.
Yes absolutely I agree with you. But even in a resting position you will probably consume more air than normal because you are stressed and in panic. It would be interesting to see how different lpm impact co2 levels in the hood. I actually consider testing it with breathing oxygen.
 
O

outrider567

Visionary
Apr 5, 2022
2,557
Yes true if I lacked the understanding how this method works, and if I had no experience with gas (Do have a lot of experience though) then increasing the amount of available gas could maybe give me some piece of mind.

You wrote "A person like you who is very afraid of that should go with a 10L/200bar(or 50L/200bar" I can't see why 10000l gas would give me any piece of mind. I tried to discuss a very important topic, the flow rate. I don't care if Nitschke (who I don't trust at all, ffs him even showing that Rebreather give a very good hint to take his words with a pinch of salt.) or if some people here believe 15-20lpm will be fine, is not a valid reason to not be able to discuss this.

Why do you think the producers of EEBD-hoods recommend around 40lpm flow rate of breathing oxygen, if 20lpm was enough? It would be better for them if their kits would be possible to use for a longer time.

I don't say that 15-20lpm isn't enough, but it's still an important question, could double the lpm decrease the risk of an hypercapnic response after passing out. Of course people will react different, some people will consume less air, some will feel extreme panic and consume more air, and exhale more co2 that need to be flushed.

And yes with 40lpm 10L/200bar could be suitable (50 minutes, compared to 25 minutes with 5L which would most likely be enough, but some margins for tests and filling hood and such)
Greenberg reports many many successful 15 to 20 LPM Nitrogen CTB's--Vizzy CTB'ed at 21 LPM--40 LPM is ridiculous, as Greenberg warned could create other problems, anything over 25 LPM is not wise as per Greenberg--15, 20, 25, its up to the individual to which flow rate they want and believe in--Das_Nichts passed out at 25 LPM
 
MG_39

MG_39

Physically ill suffering couch potato
Jul 5, 2019
211
Greenberg reports many many successful 15 to 20 LPM Nitrogen CTB's--Vizzy CTB'ed at 21 LPM--40 LPM is ridiculous, as Greenberg warned could create other problems, anything over 25 LPM is not wise as per Greenberg--15, 20, 25, its up to the individual to which flow rate they want and believe in--Das_Nichts passed out at 25 LPM
What was his reasoning behind
anything over 25 LPM is not wise
I'm asking because I'm curious, I can't really see why it wouldn't be wise when it's suitable when it's used for the real purpose of a eebd hood. And I don't say that 25lpm wouldn't work good, but when around 40lpm is recommended for breathing oxygen, and you can breathe it freely, I can't see why it would be a bad idea with an inert gas. (Ps not trying to argue, just discuss)
 
W

winterparty

Student
Jul 29, 2023
145
So I've put on the 3m scott hood for a while and I've noticed the hood is breathing itself and you get the feeling that you barely get any oxygen if you don't attach anything to the hose. Is it the same with nitrogen? It's a difficult feeling to think you don't get enough oxygen with the mask on without anything attached to it. I just want to know how it will feel with nitrogen. I will CTB tomorrow or so.
 
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O

outrider567

Visionary
Apr 5, 2022
2,557
So I've put on the 3m scott hood for a while and I've noticed the hood is breathing itself and you get the feeling that you barely get any oxygen if you don't attach anything to the hose. Is it the same with nitrogen? It's a difficult feeling to think you don't get enough oxygen with the mask on without anything attached to it. I just want to know how it will feel with nitrogen. I will CTB tomorrow or so.
Inhaling Nitrogen feels exactly the same as the air you breathe, done 5 tests with it
 
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Glandular

Glandular

Student
Mar 23, 2023
128
Inhaling Nitrogen feels exactly the same as the air you breathe, done 5 tests with it
To add to that: Nitrogen makes up most of the air that we breath (78 %). So it is only natural that we don't feel a difference while breathing it.
 
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A

Alpercino

Member
Jun 19, 2023
97
Hello is it possible to order everything needed in germany?
 
A

anonaon

Student
Feb 26, 2023
184
What was his reasoning behind
Stop asking this. Several people, including me, have answered your question already. Doubting 15-25LPM cuz of stress/panic during your CTB is literally the definition of fear mongering when people in this forum have CTB'd with it. Stress/panic will NOT affect how much air you breathe (not enough to make a significant difference).

As others have said, when youre in movement, you require more air. High performance athelets or people running out of a burning building may require more than 25LPM of air. Unless you plan on CTB'ing doing jumping jacks or running a mile with a large nitrogen tank on your back, between 15-25LPM will suffice

At rest, the average male breathes anywhere from only 5-10 litres per minute. 25LPM is 2.5x that larger amount. Its more than enough No amount of stress or any other mental gymnastics you do in your head can change that.

If you are somehow still unsatisfied, get a regulator that allows 40LPM or 100LPM or whatever number satisfies you and use it.

Its perfectly valid to be skeptical and have your concerns but for fucks sake the fear mongering is running rampant lately
 
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Minsu

Minsu

♀️🏳️‍🌈
Jan 17, 2023
545
I think inert is the best method for me so I would like to order rebreather III since it seems pretty handy and easy to operate.
If you find any reliable site with the stuff, just send me a link pls. Thanks 🫰
 
F

Falling Slowly

Student
Sep 9, 2023
133
I think inert is the best method for me so I would like to order rebreather III since it seems pretty handy and easy to operate.
If you find any reliable site with the stuff, just send me a link pls. Thanks 🫰
Some people had problems with the rebreather a few weeks back. Look at this thread if you haven't already.
 
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C

ClownWorld2023

Arcanist
Sep 18, 2023
449
I think inert is the best method for me so I would like to order rebreather III since it seems pretty handy and easy to operate.
If you find any reliable site with the stuff, just send me a link pls. Thanks 🫰
Apparently there were some problems with it.

 
Minsu

Minsu

♀️🏳️‍🌈
Jan 17, 2023
545
Some people had problems with the rebreather a few weeks back. Look at this thread if you haven't already.
Thank you, I've not read the thread yet!
Apparently there were some problems with it.

Thanks 🫰
 
C

ClownWorld2023

Arcanist
Sep 18, 2023
449
On the topic of LPM, earlier today I did my first testing with the exit bag over my head.
This was done while in lying down position.

I used around 15-20 LPM, and with the exit bag on and pulsemetter attached, it took approx. 30 seconds to go down to 58% O2 saturation.
After that I took off the exit bag out fears of passing out etc... I didn't really notice any signs, or perhaps they were just too subtle.
Will test it again later after fixing up my exit bag setup.

I think the flow used is fine, but I myself ran into practical issues with the exit bag, such as gas hose being taped onto the wrong position, and also the gas hose displacing the plastic bag easily, because the hose weighs much more.

I will need to fix my plastic bag setup to ensure it actually works for CTB.


I'll also look into Vizzy's EEBD hood guide again.
The first time I saw it and read things about hoses, crimping and clamps I immediately noped out, but maybe it's better than dealing with the gymnastics involved with getting this plastic bag working properly.
 
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G

groucho

Student
Feb 4, 2023
117
Has EM been shutdown? Their website is directing to a domain seller.
 
C

ClownWorld2023

Arcanist
Sep 18, 2023
449
Are there any 50L cylinders that weigh below 60kg?

Does anyone know?

I found a source that claims to be so.
But my 10L cylinder weighs approx. 17kg and another 20L type weighed 37kg, so how can this be?
 
A

anonaon

Student
Feb 26, 2023
184
Are there any 50L cylinders that weigh below 60kg?

Does anyone know?

I found a source that claims to be so.
But my 10L cylinder weighs approx. 17kg and another 20L type weighed 37kg, so how can this be?
Why do you need 50L? Are you trying to kil godzilla?
 
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