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Re: [PSUBS-MAILIST] CO2 absorbant efficiency




Hi Hugh,

Yes, I think if you are comfortable with using that number from ABS then there's no need for counting breaths per minute and determining tidal transfer volume from respiration. Keep in mind though that the 0.115lbs/hr had to come from some calculation of those two variables. There's no way to reach any fixed number of CO2 output without breathing and measuring CO2 over a certain time period. Nothing will beat an actual test of the system as Phil and Cliff performed to get actual results.

Jon


Hugh Fulton wrote:
Jon, shouldn't there be only 3 variables and nothing to do with breaths per
minute.   ABS figure of Production CO2 per person	0.115 lbs/hr, The
manufacturers figure of 140 - 160 litres CO2/kg (whichever is correct) and
the efficiency. Then you have the requirement for 72 hrs and dive time. Hugh




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