Quote: (Originally Posted by cedricverdier)
If you already thought or designed or used a bail-out rebreather, please share your experience and knowledge.
I have been using a prototype system for a while now. Maybe I'm selfish, but I wanted equipment I could switch to quickly and was as standard as possible. My BOB is therefore integrated into my main unit, an Inspo Classic. The other mouthpiece sits under my chin so I'm as close to DIR as I'm ever likely to be...
I have basically strapped on Inspo lungs (backmounted), Inspo mouthpiece and hoses and a Drager FGT scrubber onto the back. I've borrowed a 3 cell PO2 monitor from Digger which fits into the inhale counterlung via PPort although right now I'm just using a single cell plumbed into my VR£. It's controlled manually using the O2 button. As an O2-Rebreather it's superb too and I was also pleasantly surprised to find that with care, the extra air space didn't make an ascent any more difficult. I still use 7li drive cylinders as this gives me some sanity breathing via BOV. The scrubber is mil spec and rated to 200m. It's a lovely breathe, but I want some scrims for it as I can sometimes taste slime dust. I haven't used it very deep yet "in anger", but the whole lot made it to 130m and back without falling to bits.
Ultimately, if/when the lottery remembers me, I will swap it out for another Classic and make it a true Twinspo. Prior to that I am looking into making it full eCCR myself.
Upsides: It's another rebreather. You don't get better bailout than that.
Downsides: At the moment it's bulky and not streamlined at all, but that will change when I finish the new backplate. It's veeeery heavy, and always will be. This means the design has to be modular so I can remove the second loop for the easier dives.