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Originally Posted by ken0042
They walked in, and then the cave flooded. Yes, for that long of a dive they need full sized tanks. And a rebreather that you have seen in movies doesn't necessarily exist in the real world.
Cave diving is one of the most challenging dives. It's tight, murky water and very easy to become disorientated or claustrophobic. Either of those lead to panic and you are as good as dead.
Good reading here: (Better than my explanation)
https://www.cnn.com/2018/07/03/asia/...ntl/index.html |
I'm not talking about the rebreather I've "seen in movies", I'm talking about the equipment that experienced divers use. You can get a lot of bottom time out of very small tanks under the right circumstances, particularly at shallow depths. I'm going off of statements like this, which makes it seem like it's totally do-able:
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"You don't have to swim to dive. The equipment does the work for you -- you just have to be comfortable ... to overcome that fear and learn. That is what's going to be difficult to teach," Taylor said.
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That just makes it sound like they have to be able to breathe through a regulator and not freak out.
I get how it happened with the cave flooding, I'm just surprised that they went into areas that would require a terribly tight squeeze to get into. A lot of it depends if you can do the thing in stages. Are they in one cave pocket, and there are another 5-10 spots to stop and rest between where they are and the exit? Or do you have to do the whole thing in one dive? It'd be neat to see a graphic or diagram of the way out with distances.