Hi all,
I'm fairly new to diving and had a question I couldn't answer. As I understand, the general safe ascent rate is about 1 foot a sec (or 60 feet in a minute). Theoretically then, if you didn't have any nitrogen built up in your body, you could swim safely to the surface, exhaling, from 60 feet (right?)..
My question has to do with longer or multilevel diving when nitrogen has built up. After a certain depth or period of time, is it impossible to swim safely to the surface (from 60 feet or above) without a safety stop?
For example, if I went down to 90 feet for a few minutes, then spent the rest of the dive at, say, 45, does the nitrogen exit such that, at some point, I could swim directly to the surface w/o safety stop?
How can you calculate such a thing, minus a dive computer? Is that what that wheel is for??
Sorry if the post doesn't make sense..
Also: I have no desire to put this to the test. Just curious to know the math behind it...
Thanks!
I'm fairly new to diving and had a question I couldn't answer. As I understand, the general safe ascent rate is about 1 foot a sec (or 60 feet in a minute). Theoretically then, if you didn't have any nitrogen built up in your body, you could swim safely to the surface, exhaling, from 60 feet (right?)..
My question has to do with longer or multilevel diving when nitrogen has built up. After a certain depth or period of time, is it impossible to swim safely to the surface (from 60 feet or above) without a safety stop?
For example, if I went down to 90 feet for a few minutes, then spent the rest of the dive at, say, 45, does the nitrogen exit such that, at some point, I could swim directly to the surface w/o safety stop?
How can you calculate such a thing, minus a dive computer? Is that what that wheel is for??
Sorry if the post doesn't make sense..
Also: I have no desire to put this to the test. Just curious to know the math behind it...
Thanks!