30min 200ft wreck dive 15/55 dil
50% and 100% deco gases
15/55 BO gives you about 5 or 6 mins more deco vs 18/45 BO
you save about 9 mins on a BO ascent if you're willing to bail to 21/35 (many people treat that as a 218ft MOD)
Air or Nitrox as a diluent?
- Thread starter Capt Jim Wyatt
- Start date
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30min 200ft wreck dive 15/55 dil
50% and 100% deco gases
15/55 BO gives you about 5 or 6 mins more deco vs 18/45 BO
you save about 9 mins on a BO ascent if you're willing to bail to 21/35 (many people treat that as a 218ft MOD)
I'm back and forth on the Air vs Nitrox to 30m/100ft ... (STRICTLY RECREATIONAL DIVES)
One on hand, you have a nitrox mixer on your back (or side), so why pay the extra $$ for a little extra O2?
On the other hand .... having a gas near your set point means less O2 to inject ...
Regarding DIL(OUT) ... I'm a standard gas kinda diver ... using the 'next deepest' gas for your planned depth (or expected depth) is my way of diving ...
So ...
"Recreational" <30m dive - Air/32%
30-45m dive - 18/45 (not a fan of 21/35 on CCR ... too limited of a range in use unless you get rid of the Air/Nitrox for shallower dives ... so might as well just go straight to 18/45)
45-60m dive - 15/55
Deco for 21/35 and 18/45 are close enough, that if your diving in a mixed team to say 39m, it isn't going to sway much either way (on 1.2 setpoint)
_R
One on hand, you have a nitrox mixer on your back (or side), so why pay the extra $$ for a little extra O2?
On the other hand .... having a gas near your set point means less O2 to inject ...
Regarding DIL(OUT) ... I'm a standard gas kinda diver ... using the 'next deepest' gas for your planned depth (or expected depth) is my way of diving ...
So ...
"Recreational" <30m dive - Air/32%
30-45m dive - 18/45 (not a fan of 21/35 on CCR ... too limited of a range in use unless you get rid of the Air/Nitrox for shallower dives ... so might as well just go straight to 18/45)
45-60m dive - 15/55
Deco for 21/35 and 18/45 are close enough, that if your diving in a mixed team to say 39m, it isn't going to sway much either way (on 1.2 setpoint)
_R
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