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Heady_Cerebrum

Member
Jan 24, 2020
98
If keeping the simple face mask in place is a problem, can't a military surplus respirator be used ? should be simple enough to attach the debreather tubes to the inlet and exhaust valves once replaceable filter canisters are removed.

The old Soviet GP5 mask is readily available. It did not rely on elastic straps to hold it very securely in place, but was made of rubber which stretched over the full head. Not the most comfortable, but very secure.

Yes, a person could use a full face mask, but many don't like the idea of having so much of their face covered up. People react to it similar to how they react to an Exit Bag, for some reason it creates a visceral reaction, maybe its the idea of being smothered by the bag/full mask. I also think that because the mask is medical many feel it's just the right choice. They don't have as much issue dying with that on their face and being found with it on (if no one removes it before the body is discovered).
 
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NextBusLeaving

Specialist
Jun 24, 2019
334
Got some one way valves today that work even better and with no modification to the originals I was using. Waiting on a counterlung to come. Valves cost $1.50 each plus shipping.
 
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pthnrdnojvsc

pthnrdnojvsc

Extreme Pain is much worse than people know
Aug 12, 2019
2,635
The mask and straps arent even special. I have an identical mask as well as have found places where identical straps are sold. Its all off the shelf stuff imo
I hope you suceed in making your own debreather. And then as others have asked i hope that you post the plans, parts equipment, etc.

I'm thinking of incorporating your completed plans with my own underwater version with a full face scuba mask so then i go deep under water and pass out there .

Is your debreather or the debreather they are planning to sell water proof? Cause i could put it on and then go freediving and keep going down until i pass out and sink so then there would be even higher probability of dying dying imo.

I just want 99% or as high as i can get probability of dying.
 
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Flippy

Flippy

Felis Sapien
Jan 5, 2020
931
Having watched the video this looks like it's the sort of thing that a reasonably handy person could knock together in a few hours. Things to note, 1 way valve are the order of the day as you don't want any pesky CO2 disturbing your, erm, nap we'll call it. I like it as it could be a nice convenient thing to have when the SI isn't screaming in my face. It happens sometimes but usually when I don't have the opportunity or means to ctb. I just learned I am getting some pretty powerful sleepy pills so I may keep a couple in reserve if I use one of these. I'm liking the concept a lot actually, and has more convenience factor than my first choices of NOS and plain Nitrogen. What would be lovely is if it could pass a little NOS to you to help relax. Might have think on that one. :-)
 
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NextBusLeaving

Specialist
Jun 24, 2019
334
I hope you suceed in making your own debreather. And then as others have asked i hope that you post the plans, parts equipment, etc.

I'm thinking of incorporating your completed plans with my own underwater version with a full face scuba mask so then i go deep under water and pass out there .

Is your debreather or the debreather they are planning to sell water proof? Cause i could put it on and then go freediving and keep going down until i pass out and sink so then there would be even higher probability of dying dying imo.

I just want 99% or as high as i can get probability of dying.
Yes it could be as it is assembled from plumbing fittings.
Having watched the video this looks like it's the sort of thing that a reasonably handy person could knock together in a few hours. Things to note, 1 way valve are the order of the day as you don't want any pesky CO2 disturbing your, erm, nap we'll call it. I like it as it could be a nice convenient thing to have when the SI isn't screaming in my face. It happens sometimes but usually when I don't have the opportunity or means to ctb. I just learned I am getting some pretty powerful sleepy pills so I may keep a couple in reserve if I use one of these. I'm liking the concept a lot actually, and has more convenience factor than my first choices of NOS and plain Nitrogen. What would be lovely is if it could pass a little NOS to you to help relax. Might have think on that one. :-)
That would be as easy as changing the mask out for one with a line port. There are all kinds of masks available.
 
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Flippy

Flippy

Felis Sapien
Jan 5, 2020
931
That would be as easy as changing the mask out for one with a line port. There are all kinds of masks available.
Sounds good, I'm thinking maybe it gives you regular doses via maybe a peripheral device, long enough until the O2 depletes enough then shuts off when you are likely to be unconscious so you aren't introducing more oxygen from the NOS.
Perhaps a whipped cream dispenser properly modified to deliver the NOS using a solenoid valve and a simple electronic timer could add this feature? :-)
 
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S

Southwinds

Member
Dec 1, 2019
21
At the moment theres nothing to post photos of except some shit in boxes lol. Looking at the design of the debreather it is basically two cartridges of soda lime with some pvc, a mask and some corrugated medical tubing. I have read up on various rebreather circuits as well as anesthesia rebreathing where gas is introduced and rebreathed. The fundamentals are there. So far I have acquired soda lime and some other pieces. I plan to test it myself SAFELY - basically not strapping the mask on to my face, just holding it up and removing if I get lightheaded or sitting in such a way that it falls - and it will, it will probably be somewhat heavy, 2-3 lbs so gravity safety is easy enough. I will try to update as I can. I have the important bits that needed the internet; now I just have to run to the hardware store and suss out some plumbing questions, i.e. diameters and what will make things mate up. But that's the bloody simple part.

The hard part is overcoming my crippling depression to get up off the couch. Today was awful after work. I just forced myself to take a shower + the dog out so I am up now.

some drawings of the apparatus via CAD



That video folks are talking about.

Now it makes sense. I couldnt figure out where the counterlung figured In but the video explained/showed it.
"It doesn't matter who we are...what matters is our plan! No one cared who I was until I put on the mask." - Bane

Still think you may have plans available to build a Debreather soon?
 
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AlreadyGone

AlreadyGone

Taking it day by day
Jan 11, 2020
917
I am curious as well regarding the development of this.
 
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D

DownToGo

Member
Mar 18, 2020
52
A body willing to accept PM about construction of personal debreather? I really admire the technical skills and ingenuity of this process but a little techinicallly challenged myself and would appreciate all the help available from our seasoned veterans in the field.
 
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