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> Richard Pyle <deepreef@bi*.bi*.Ha*.Or*> wrote:- > >> [Bends from oxygen bubbles can occur] ... As for narcosis: as someone who >> has breathed pure O2 at a simulated (chamber) depth of 220 feet, I can >> report that, as far as I could tell, the narcosis severity was approximately >> equal to what I would have experienced at the same depth breathing air. > > 200 feet on pure oxygen: however did you avoid blacking out or convulsing!? > But at least an oxygen rebreather plus a medication to prevent oxygen >poisoning, would be a LOT easier with a much lighter and more streamlined >breathing set down to say 150 to 200 feet. No diluent to carry about. No need >for an onboard computer and ppO2 meters to have to #@$% about with gas ratios. > > Someone else writing about oxygen diving said:- >> Flame away > > And likely a lot hotter than in air, like in oxy-gas blowtorches. If the >set's diluent is hydrogen, as used occasionally, a work diver could run >himself and his blowtorch off the same cylinders! >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > Actually if you used a catalyst with the hydrogen and oxygen you would get pure oxygen and heat and water out the other end. That was my idea to warm the diver on a long deco stop, or perhaps use it as part of the mix for warmth. Greg gleafe@ns*.ne*
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