| Re: C02 Retention / Decay times
It's been a while since I did it, but when we did the CO2 test (Inspo, no scrubber, in water) it took about 30 secs for the breathing rate to be noticeably through the roof. Bailing to BOV, breathing rate was normal again within 30 secs.
Bare in mind that this was only at 1-and-a-smidgen ATM, with zero movement, so this could be taken as "best case" from a recovery perspective.
HTH
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