ByLiebla
It would be cheaper if you didn't have that and if you ran out of air you could quickly surface.
(1 votes)
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No, you can’t.
During the dive, nitrogen dissolves in the blood. It is therefore necessary to plan the dive well and also permanently pay attention to its data, including the depth profile and the remaining air.
Unfortunately, with a certain amount of nitrogen saturation in case of an excessively rapid emergence, this would happen in the case of a bubble bottle if you opened it too quickly: the dissolved gas leads to overspinning. This can also happen with the blood. The consequences can range to (i.e. terrible) death.
Therefore, a pause must always be taken at different depths during the emergence, so that the nitrogen can be removed safely and thus disappears from the blood. This is even done if one is actually immersed in small depths, where appearances would theoretically still be safe.
The necessary breaks can sometimes even be longer than the so-called basic time.
For this purpose, an immersion computer is generally provided which supplies this data. Earlier, with tables, it had to be planned exactly how to dive.
Moreover, the ascent also takes quite a long time, depending on the depth you have found. And even in such an ascent, various precautions should be taken without which one might possibly get more dead than alive.
The long speech in a short sense: A good diving training is necessary and saves life!
Hello, at an ascent speed of approx. 10 m per minute would require 3 minutes to the surface after the last breath from the compressed air bottle. It’s not fast. Can you stop the air for 3 minutes?
If you were deeply immersed, nitrogen from the breathing air (about 78% of the breathing air is nitrogen) is pressed into the tissue by the higher ambient pressure under water (water surface about 1 bar, already 4 bar at 30 m depth) and “stored” there. Only when it appears, it is then breathed again. But it takes time. If you don’t give the body enough time to breathe, then small nitrogen bubbles can form in the body, which will be the greater the further you appear again (the ambient pressure leaves again). If some of these in the capillaries lead to strains, the oxygen supply of the heart and/or brain can be interrupted. This would lead to stroke and heart attack and underwater. That could be that the diver does not survive. I know how much breathing air is still in my compressed air bottle and can show up in time. If my diving partner has a problem with his breathing control technology or has breathed his bottle too quickly empty, then it’s good if I mounted a second breathing regulator with mouthpiece on my equipment. And so I can give him breathing air from me in such an emergency situation, and we both can show up safely.
Best regards
Klaus – diving instructor in the Black Forest
Technically correct answers you got.
I add:
Next time you go swimming, you go to the bathing master and ask him to stay with you if you lie down to the bottom of the jumping pool (about 4 meters).
If you can do that easy, we’ll keep talking:-)
And technically clean explanations you’ve already got.
Researcher: Caisson Disease
real divers go down some km, so you can get up fast.
Don’t be so deep.
100m is already unusual a lot
depends on whether with or without oxygen bottle.
Au weia: There are no oxygen straps. Except for very special diving equipment with which the diving depth is limited to about 8 m. In a diver bottle is quite normal, filtered compressed air.
With very special breathing air mixtures can be so-called. “Tech Diver” also dive 50-60m deep. Maybe deeper. The limit for sports diving is usually 40 m. This also has to be done by drastically increasing the risk of a possibly fatal deep noise at larger depths and by making the time of emergence with the necessary pauses irrationally long. To this end, a very large air supply must also be carried along.
Tech-Diver may even change the breathing gas on the go (also with several bottles and breathing devices in the water) and have suspended spare bottles for immersion in corresponding depths. This, however, is associated with very great effort and not to compare it with normal sports diving.