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Old 9th September 2007, 22:44   #26 (permalink)
warjarrett
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Current Rebreather/s:
Megalodon
Sport Kiss

Other Rebreather/s:
Prism Topaz
 
Join Date: May 2007
Location: Long Beach, CA, USA
Posts: 62
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Re: How many hours from a Prism with 19 cft tanks?

I just finished my first dive after training, and here is what I came up with. I dove a set point of 1.0, but manually kept PO2 between 1.0 and 1.2 (mostly 1.2). Max depth was 80 feet, and duration was 45 minutes. I was diving with OC divers, so we went up and down quite a bit (exhaling through my nose every ascent and using more dil every descent - good practice), and had to end the dive based on their air consumption. I was VERY tired after just this one dive... beginners discomfort I guess, and chose not to do a second. I did carry a 19 cuft bailout, went on it once just for practice. I used about 500 psi O2 and 1000 psi Dil, from 19s (3000 psi fills). I hope this consumption will go down as I get more dives in. At this rate of dil usage, I can only get 2 dives out of a dil tank fill -- there is no air compressor aboard the boat I dive.
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