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Actually, you can not build a scrubber using aluminium. The reason is, that small amounts of NaOH within the sorbent will in presence of water protonize same to NaAlO2 and H2- with other words- it wont be there for long... Neither would be you under certain circumstances mixing H2 and O2 ;) In...

Yeah, but its quite pointless anyways. I got tired of even replying to questions asked as almost every time there's a biased 'don't even think about- go purchase a DR plasticbottle- I had 150 Million dives on a rEvo it's is crap' reply following questions about everyones competence who doesnt...

Yeah, but for so many years now and still maintaining a rEvo profile picture sounds pathological ;( Absolutely. Depending individual setup of course, but the N is quite a good step forward.

...sure Superlyte27, all rEvo divers are long dead by now. If by mistake some survived then they are either inexperienced fanboys or improperly trained. I really wonder why you permanently hate this unit and all its users.

Though the units have some similarities- its comparing apples with oranges. Each unit is what it is. The Horizon comes as a gas-expander enabling shallow sport-dives to be less bubbly and bring a whole new world of diving to photographers- the rEvo is a technical hybrid CCR, extremely light in...

Man- this post remembers me of my first CCR try dive. Still laughing...

Exactly the way a878bob wrote already in his first comment. I find it a bit alarming wondering about non-calibrated cells, or do I miss anything?

...I must admit: there are lots of useful thoughts in this discussion every rEvo diver comes across sooner or later. Really enjoying reading trough. To me, it highly depends on how demanding I assume a dive to be initially- having impact on my overall dive planning. Whereever possible, I save...

...to avoid contact corrosion and for good spacing I'd suggest a nylon washer btw.

MicroFT without CE and standard lung cap?

Hehe I like that argument. Not what I meant and truly not my intention but I would agree that its probably often the case. To me, CCR allows you to run far distances with relatively low weight for each additional dive as long as you dont use your bailout. And- its simply much more comfortable...

Same for many CCR divers. After many years of OC the advantages of CCR diving clearly shift OC dives into the corner of being a bailout strategy. It just doesnt feel right anymore ;)

True. I am not doubting it can happen- if you would only rely on a single computer with no further po2 monitors and ignore best practise concerning sensor swaps. Bit still- having limited cells showing same value is rare if not very unlikely...

Not quite. The two failing cells usually do not fail equally. (Meaning those cells would not display equal values) Means in such case all three cells would be voted incorrect. In terms of the Shearwater SW it would simply tell 'voting logic failed' and continue working as fixed po2 divecomputer...

...adding to what JohnnyC already explained: There is another hidden benefit. Knowing the exact sensor that is current limited while performing UW oxy-flush. I'd like to emphasize checking your cells during ending a dive as a regular procedure. (And I know it sounds funny: You may like to use...

...i would like take this very interesting base question back to the engineering roots of any unit. Failure of any component in terms of risk management can be seen in various ways, the most common approach would be to multiply the likelyhood with the impact to determine the overall risk...

I have experienced described phenomenon once on a CCR as well. It took me weeks to figure out. My first reaction was to call the dive and inspect the unit carefully next day. No issue was found and I decided by then to try breathing in the workshop from the same scrubber, same gas to verify if...

...trying OC after some 100s dives on CCR always feels kinda wrong to me. Its somewhat fun as well but its just never is as good as when I was used to OC only.

Sure? They appear on the Webshop. Exhale, Inhale and Liner.

...just for couriosity sake: 'The RCT usually shows about 3hrs RCT left after the 2nd dive. You take a break and 3-4 weeks later you build the unit for a dive. The unit is now saying the RCT is about 90 mins.' Does this mean you are packing the used scrubber as-it-is (moist and partly used)...