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First of, a big thank you to you and all the people involved for pushing boundaries and exploring new ways forward. A couple of questions: Is there any "follow up research/testing" planned, for example testing where you measure when/how HPNS happens and how much hydrogen is needed to prevent...

Wow, i didn't know Lamar was over 100 years old. Its impressive that someone of that age is still active. I'll quote (not sure who but im sure someone's already said it) x "life is like a box of chocolates, if you come over a sidemount harness cheap you might as well try it eaven if its rec...

No problem. All their content isn't in English so if you wonder about anything specific i can help out with translation

https://media.expeditionbjuralven.se/2023/11/Expedition-Bjuralven-report-2023.pdf Expedition Bjurälven in Sweden has ended for this season. The cave system around Bjurälven have been explored for several years and each season divers and cavers are pushing further and further in the system. In...

No, its just that your dil/bo is on your back and not on your rb. If you sling the dil from a JJ or fathom, does it become an O2 rb?

Looks huge.

I do exactly the same but i have no idea on how to explain it better. Had a friend who did it when i was about 9 yo and freediving so i just set my mind on learning it to and one day it just worked.

The cable and pipes have been moved sideways and they have found drag marks and an anchor. The Chinese ship is missing an anchor... Swedish article Polisen i Finland har hittat ankare vid trasig gasledning

We did this in my cmas * (ow) pool sessions and swapped gear with other students, not to learn the amazing party trick but to get more comfortable with our gear, more understanding to how things worked under water (buoyancy, trim, adjusting weights, straps etc) and so on.

Not mine, but it's not every day you see one of these for sale.. https://www.blocket.se/annons/stockholm/rebrether/1200203941

If they where reliable you would not need multiple systems to make sure they are working and backing them up when they fail. Just scroll through this forum and you will find examples of failures. Im not saying the solid state sensors are the perfect solution, we will probably need a couple...

Yes they are. But i agree on the price. Hopefully it will drop now that the patent or what it now was has opened up.

Sounds like another "a friend told" me story. Just like saying "this is a **** border patrol! Just because i didnt bring my passport they wont let me in the country " Edit. After a quick google the tech course on the top result is 300 bucks so i guess renewal is cheaper.

The galvanic cells is one of the weakest points of modern rebreathers. The whole reason for voting algorithms, multiple cells, extra calibration etc is that the cells are not reliable

I'm not sure your post is towards poseidon but if it is you can just read what rainpilot just wrote. You can do it yourself, all the computer is doing is telling you it needs the checkups.

About as long as it takes to enter a password.

My understanding is that it is only a liability issue. Poisedons standpoint is that you cant guarantee that an "dirty" reg gets 100 % o² clean after cleaning it, therefore they have their new o² regs. How is this supposed to be happening? Sounds like some ghost story.

We'll have to phone Denmark about that.

Yeah I've heard that. Just wanted to poke at the sealed vs non sealed

Poseidon ;)