Best CCR in 2025-2030 Rebreather Markets

[Mobulai]

Efficiency is on the way

 

[broncobowsher]

Have you seen the one the British military have been working on for a few decades?

 

[Mas.]

To satisfy your curiosity: I do know about a major shake-up in the CCR market that will absolutely revolutionise closed circuit diving and bring modern technologies, including an AI-assisted decompression algorithm, to a proven, durable and rugged CCR design. Sadly I cannot disclose much but I do have a pre-release photo - the unit should be behind the yellow exoskeleton that is simple to release yet prevents corrosion and dents, especially on boats.

The unveiling will happen at GoDiving industry event on the 1st of March at NAEC Stoleneigh Park in Coventry. Hold tight.

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View attachment 885054

So creative

 

[DiveLikeAMuppet]

Have you seen the one the British military have been working on for a few decades?
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Reminds me of the bailout cylinder sizes that you see on British boats - maybe this is the secret .

So creative

I don't think the design is that creative, there is too much yellow to be honest - I thought they would go for silver but maybe it's just a prototype and not the final unit that will be unveiled next week.

 

[Wibble]

Still a pity that it won’t be shipped in a G-box.

Do we have to throw the unwanted plastic chassis and cover into the sea?!?

 

[Wibble]

That’s a very good conditioning mechanism

Thanks btw a lot for that user-pov crash course, way better than what I heard at boot about the unit and its diving intricacies

One of the main things with rebreather divers is the FACT that the absolute best rebreather in the world is probably on their back/side/chest. The ~$10k++ entry cost (plus training, spares, time spent practising) means that you cannot possibly admit that the one you went for is crap!

I do genuinely like my Revo though. Silly things I like about the design, such as you only need a very few common tools to look after it. OK, plus some spare Molex connector crimps. Also it has:

• Two scrubbers which are normally “rotated” (top one out, emptied and refilled, put back in the bottom which is moved to the top) which really does save a lot of scrubber (just 1.3kg/3lbs) even for long deep dives
• Redundant electronics: Petrel controller is completely separate from the Nerd monitor
• Hybrid, both orifice and solenoid
• Roots are from manual CCR so it is very happy run with either hand
• Clean front, no clutter
• Access to wipe out the lungs for cleaning
• Only two loop hoses; frequently there’s four hoses and more connectors
• Armoured counterlung

For me it’s been quite reliable and has only tried to kill me once. Root of that was the idiot pilot being stupid.

Anyway, not here to sell it!

 

[Mas.]

The ~$10k++ entry cost (plus training, spares, time spent practising) means that you cannot possibly admit that the one you went for is crap!

Ok this "marriage" might actually explain why i felt rebreather is a sensitive territory to ask about.

 

[Mas.]

I do genuinely like my Revo though. Silly things I like about the design, such as you only need a very few common tools to look after it. OK, plus some spare Molex connector crimps. Also it has:

Great review. I read here that rEvo iii has a zero tolerance policy for flood. Did u have any issue with that? Is that a bad thing or a good one?

 

[Mobulai]

Great review. I read here that rEvo iii has a zero tolerance policy for flood. Did u have any issue with that? Is that a bad thing or a good one?

It’s not a policy, and it’s a bad thing

Water will eventually leak into the loop, how much the unit can tolerate before water creeps into critical spaces (head, scrubber, electronics..) is that tolerance

When a rebreather is flooded with water you may get:
- a caustic mix (from the sofnolime in the scrubber) > can „burn“ up your lungs and skin, also a bit „fume“-y
- damp/wet o2 cells > bad ppo2 reading > hypo/hyperoxia

Weather the revo has zero tolerance for it I can’t say
But I’m sure it’s better than the sidewinder, which has very low tolerance

 

[Wibble]

Great review. I read here that rEvo iii has a zero tolerance policy for flood. Did u have any issue with that? Is that a bad thing or a good one?

That’s the Revo’s worst point.

I jumped in and knocked the mouthpiece but was certain it was just loose lips. After 30 minutes of fighting it underwater, I ended up with a caustic cocktail and bailed out; just did the 35 mins of decompression blowing bubbles. As I lived, I learned an awful lot from that misadventure.

To be honest, it was worth it for the learning experience. Nothing was damaged except my ego and a couple of weeks of doing my own RCA (root cause analysis). Now I bore everyone with this tale as a way of paying back to the community.


Yes, Revos have poor flood tolerance. However, you always dive with sufficient bailout and you ensure you take notice of any “leaks”. So for the hundreds of dives I’ve done on the unit, one big failure wasn’t too bad.