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Howdy! I've added a bunch more info to my Rebreather WWW page, submitted by helpful techdiver readers. New info includes an OCR'd version of technical info on the Bio-Marine SeaPak 1000/CCR-155/CCR-1000, lots more info on the Japanese Grand Bleu Fieno rebreather, and new info and another picture of the Dreager Atlantis I rebreather. http://diver.ocean.washington.edu/rebreather.html (Note: my machine has been crashing for unknown reasons lately, if you can't get onto the web page, try again the next day) Pondering the question of 100% O2 or 80% O2 for deco, I ran some tables. (Using MigPlan) (note: deco stops/times not included.) (max pp02 set to 1.61 to allow use of 80% at 30ft stop) 200' on air for 20 minutes. With 100% O2, total dive is 44minutes, 26.9% CNS dose. With 80% O2, total dive is 43minutes, 24.0% CNS dose. 200' on air for 20 minutes, 40% O2 in travel bottle With 100% O2, total dive is 41minutes, 28.5% CNS dose. With 80% O2, total dive is 41minutes, 25.2% CNS dose. Looks like a definate WIN for 80%. Less deco time, less O2 dose. -Eric ----------------------------------------------------------------------- Eric Lundquist, Systems Manager School of Oceanography, Box 357940 ericl@oc*.wa*.ed* University of Washington (206) 543-0594 102 ORB Seattle, WA, USA 98195-7940 http://www.ocean.washington.edu/people/staff/ericl/ ----------------------------------------------------------------------- Check out my Puget Sound area scuba diving WWW page! http://diver.ocean.washington.edu
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