Quote: (Originally Posted by
decoweenie)
Speaking of old chestnut...
Some people are concerned about the additional connection (to breath on-board O2 as OC) to be a potential failure source. If the loop is intact but all O2 is lost, then the unit is potentially useless (unless you could plumb in off-board deco gas = another connector failure source)...
And so on, and so on...
Exactly. I lost my o2 from the 1st stage (right at the end of the dive). So I carried redundant o2 from that point. I later had BOTH handsets go down (Inspo) on the bottom (however, I never bothered with a 4th cells as they were rubbish) and so on, and so on. But, it has to end somewhere...
I have found that this 'counter culture', can be counter productive. I have seen a diver come unstuck (very deep) because of too many ideas and 'things' either getting in the way / badly configured. When it mattered, all the 'gear' was a real hindrance, not a help. That was where it ended for me (and him - nearly). I just carry OC and dive a clean unit. Life is simple and the diving all the more enjoyable for it.
Maybe I am like the perverbeal (sp?) donkey that when faced with two bails of hay, ends up starving.
Anyway, getting back to the thread title, the good thing about 3 optimised tins (which I have never tried) is that if one reg went wrong then it could be swopped out whilst staying OC. Which sounds quite sensible to me.
Cheers
Paul