jdicediver

The only limited experience I have with a rebreather was garnered during the Meg Mod 1 course, so please temper this post with forethought and your first amendment rights (for you Americans at least).

My new COPIS Meg, which arrived on May 12th, is configured as follows:

Standard configuration, with dual Apeks first stages, Worthington 19cuft HP cylinders on Tiger gear mounts, a fourth cell fitted to a VR3 in the Inhalation counterlung, a Portland Oceaneering backplate, Dive rite Rec wing, and an ISC Deluxe Harness. Pretty standard stuff.

For the record, I am going to change the wing to a donut style to eliminate any problems in regards to uneven buoyancy and gurgling noises in tropical locations. I currently use the wing for surface flotation only, and do not utilize it for flight pattern regulation while using a dry suit.

I have also determined a use for my 6cuft cylinder as a redundant 02 supply as plumbed, or quick connected into the loop with a pressure compensating first stage, or additionally, as stated in this post, it could be used for the short portion of a deep dive, below a depth where the IP of the CFO is exceeded.

I too, do see value in the “fly manual” philosophy used by eCCR divers; however I do question how much your life is at stake during any CCR dive as long as the P02 is always known. Now, before anyone jumps up to cut my throat, or gag me for such a statement, is it not true that a CCR can support life at set points between .40 and 1.6 quite comfortably for a discernable period of time? Pending forethought to the obvious concerns regarding deco obligation increasing as the set point variance is disregarded, PO2 ranges are quite liberal.

As long as the P02 values are maintained between these breathable limits (with precautionary knowledge calculating for changes due to increase/decrease in depth) there is no eminent threat of death (ETOD).

A redundant Po2 monitor (VR3 in the loop) and the COPIS now has a truly independent second Po2 display, for in line deco and independent, mental voting logic, while still running with the three cell design originally intended.

What is the problem with putting all 3 cells (R22D) on one monitor and adding a 4th (K1D) for redundancy and for in-line deco calculation. I see that this is one cell better than the Palagian design. This method runs on a truly independent PO2 monitoring system (VR3 with a Teledyne K1D) (*note different design). If the COPIS’s three cells go south, then bail out to OC is possible, with the actual setpoint values calculating true Deco obligations as calculated throughout the dive profile by the inline computer. The VR3 can also be set to monitor OC values after/during bailout.

Hooking up all three cells to one remaining functional monitor and continuing to dive on a trip would be like…what? Running a standard COPIS?

Hmmmm...again, I am amazed.

BTW...Choice great a COPIS is;

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Regards;


"Some people shouldn't dive...others shouldn't even get wet".