Quote: (Originally Posted by
nigelh)
The only problem is that you are underselling the bucket rebreather.
Even the Mk 1 will sustain you for a minute or so not seconds.
'Everybody' knows you can hold your breath for 'seconds' and not die so rewrite those bits with 'minutes' for increased credibility.
Nigelh may be right, but I surely didn't want to oversell Mark 1!
The gas mix in the bucket will very quickly turn hypoxic if you keep breathing it.
According to Alex (AD_ward9)
simulation and my own naive
Evolution Simulator,
the loop on a CCR will be hypoxic in less than a minute if the O2 (or controller) is turned off.
Depending on the size of the bucket (and your head), the Mark 1 may out-perform other rebreathers,
but that comparison is surely outside the intended scope of my article.
I will keep the original wording, even if someone believe it will sustain life for longer.
Please, do not risk your lives proving me wrong!
jsevland