GasMonkey
Nitrogen Master Race
- May 15, 2022
- 1,881
N2 has no smell, what you are smelling is not N2, maybe something related to your gear. Air is 78% N2. If you had air instead of pure N2 in that cylinder the smell would be same.N2 is not the same as breathing air (it smells very metallic)
It's normal that heart rate increases, also the nervousness/fear/anxiety obviusly increases your heart rate too.Also the heart starts beating quite fast as soon as oxygen levels in the blood drop, which is a very unpleasant experience. I notice some dizziness, but that is still far away from unconciousness.
You have to blow out ALL the air in the lungs and then take a huge DEEP breath of N2 to make the process much faster. PPeH/Philip says that with that method you lose consciousness in 1 or 2 breaths, VERY fast.
The demand valve will always maintain a possitive pressure inside the mask, so you will always have N2 to breathe.With shallow breathing, the gas valve of the mouth piece will probably not open anymore.