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How deep, how long on mCCR?



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Old 21st August 2005, 01:52   #1 (permalink)
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How deep, how long on mCCR?

I have just finished my KISS conversion (started almost a year ago, using Gordon's latest valve) of my Dolphin and am starting my tests in the water tomorrow. I have survived the couch!

I am interested in everyones current experience about depths and durations they feel
comfortable with their converted units. How deep and how long? Are
there conditions or circumstances you don't dive your conversion?
Ideas on using it or not using it in an overhead (wrecks/caves)
environment? What has been your experience on dive boats with your
unit?

All feedback appreciated. If you have specific questions about my conversion, ask.
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Old 21st August 2005, 03:51   #2 (permalink)
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Quote: (Originally Posted by jkromelow)
I have just finished my KISS conversion (started almost a year ago, using Gordon's latest valve) of my Dolphin and am starting my tests in the water tomorrow. I have survived the couch!

I am interested in everyones current experience about depths and durations they feel
comfortable with their converted units. How deep and how long? Are
there conditions or circumstances you don't dive your conversion?
Ideas on using it or not using it in an overhead (wrecks/caves)
environment? What has been your experience on dive boats with your
unit?

All feedback appreciated. If you have specific questions about my conversion, ask.

Maybe if you gave us some particulars; where the O2 injects, your O2 monitoring setup, how many cells, is there a VR3 or Explorer connected to a cell, what you plan to use for dil, what you have set up for bailout, what OC level of training (ie trimix), any ccr experience, this kind of information might be helpfull to keep in mind when offering suggestions.

There's a lot of CCR Dolphins on the board here, as I recall some of them have been in the 100m range, a few to about 70m to 80m, but most are owned by less experienced CCR Rebreather'ers and we are still learning the units and keeping in the 30m to 40m range, with short forays to somewhat deeper depths.

As to durations: I think you have look at where you're diving, temps, currents, comfort and task loading, all conspire to shorten scrubber life.

Depth and whether you have deco planning and sufficient OC bailout under control weigh into the duration planning as well.

From my recent experiences, I'd suggest some time in the pool to get weighting and trim spot on and then a little "get aquainted" time in open water at rec depths and run times.

Without more to work with, I can't offer anything more specific.


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