Mask Bag
Aircraft Oxygen Mask Bag?
Ok people can anyone get this one?
When being given the safety breifing you are told all about the oxgen mask system and are usually told "the bag will not inflate". I had assumed that the bag was so that you breathed in some of your own CO2 so you do not hyperventilate but I assume that would require the bag to inflate.
Why doesn't the bag inflate and what is its purpose?
This isn't what I asked I am asking specifically about the bag! Anyway the masks release at certain cabing pressures I'm sure
The bag is called a "re-breather" and the purpose is to enhance the oxygen content that you breathe. It will inflate slightly when you start using it and lets you get the maximum benefit from the more or less pure oxygen that flows out of the tubing. Medical people use similar masks for trauma victims, it gives the maximum O2 flow you can get without using a bag/valve/mask unit (about 15 liters per minute at 80% concentration).
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