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| Originally Posted by imported_andyp I get your point, but, I think you have to accept there is risk. |
My problem is in whether this increases or decreases that risk. There's always going to be a risk, whatever you do.
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| Originally Posted by imported_andyp If you go deep, you have a backup mask, in fact, all essential pieces of equipment are duplicated. |
I thought there was some debate on whether you should duplicate a mask, but I'm probably wrong.
Even so, if you've lost your other one you are reasonably likely (5% of the time maybe) to drop the spare because you can't see what you're doing.
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| Originally Posted by imported_andyp A computer that just beeped at gas switch depth would be of little use, how would you know when to stop at each stage of the deco. |
I'm pretty sure I could judge distance well enough. I have at least a reasonable idea of how big a metre is and could get it right +/- 10cm. Doing the deco below your first gas switch could be a problem, but providing it's not a huge length of time I would have thought you could get it *about* right (right enough to come up bent instead of dead).
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| Originally Posted by imported_andyp Plus, how would you see to send it up. A self inflating blob would give you a chance, just not much of one. |
Oh come on, even I probably send up a blob without being able to see it probably 75% of the time (never tried it mind, so it might be more difficult than I think). You might get caught on it, in which case you're almost certainly dead, but assuming that doesn't happen you've got at least two tries.
Anyway, my point is that it COULD help (no matter how remote the chances), and that I can't think of a drawback (other than perhaps using some battery life on your computer, but I think it's fair to say that's even less of a problem.