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I just got done reading the long rebreather info (commercial? 8-) that was
posted recently. It specifically mentions that the Odyssey works around the
single point of failure I mentioned in the Draeger unit by making the bag
demand fed and flushing 20% (or so) of the exhailed air for each breath.
But it doesn't say anything about how this flushing is done. Does anyone
know the mechanics behind this device? Can you explain how it works?

Seems to me you've just substituted one single point of failure for another.
If this valve they have doesn't work to it's full 20% it won't be getting
out the right amount of bad air and, therefore, you won't get as much good
air. I guess it depends on whether you trust the Draeger (and others) feed
system or the Odyssey exhaust system more. Comments?

Devon

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