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Yes, basic 2" brass and glass, for backup purposes.

Suunto Mosquito o-ring battery: Metric Size: 20.0 x 1.3 EPDM 70 Could anybody edit the "Computer Batt O-ring" document ? Thanks in advance. PS: possibly the D3 has the same size

Here: Descent, Garmin’s next Fenix4 model? there are interesting info and also link to attempts of putting diving oriented app in the previous Garmin model (that were discouraged by the Garmin itself to not incur in problems because the model was not designed for such use). The next Garmin model...

Continuous best mix breathing (this option is missing too).

Do you mean us, the divers ? :)

Ok, you bought a computer that was the lesser of two evils, but you are still not completely satisfied. While in TEC mode you have more configurability and, yes you can have the miniscreen and some other info on the main screen, let's try to imagine that, even if it appear a restriction placed...

For what I experienced from a friend with a vestibular nerve infection, the brain will regain the balance using other signals and suppressing the noise from the injuried nerve - in her case the left vestibular nerve was irrimediably damaged to a complete functionality loss. The brain, then...

Oh yes, you are right, but on the liveabord, the tank is never released from your BCD, so nobody should take it erroneously and you will breath that gas for the whole dive. The log sheet is exposed on the dive area of the boat, so everybody can reference it and fill it when needed.

I always saw people doing analisys on themselves on liveabords - then they write their results on a sheet where the blender wrote its analysis. Usually the liveaboard provide the analyzer, but I also witness a couple of divers having their own.

Sorry, maybe I was misleading. I prefer the actual theory: volume of gas in and out of our lungs do not affect sensibly the gas dissolved in the blood and tissues more that the effect from partial pressures gradient and time. I did that thoughts because someone with a bit of authoritativeness is...

All those things led us to a couple of thoughts: 1) the actual model is just ideal: if exercise bring in more inert gas, the model should account for that in some way - simple pressure gradients and tissue parameters are not enough. Maybe the algorithms will not change dramatically if they'll...

I actually don't know how they works, but my hypothesis is that in case the workload and skin temperature suggesto to raise the conservative factor they just do that dinamically during the dive. Some computers allow to change the factor in the settings (cold water, obesity, poor sleeping etc)...

Let's think in this way: tissues absorb inert gas according with the partial pressure gradient and the time. If you breath more gas (let's imagine more frequently, or just having larger lungs), it will not change the partial pressure, so it will not affect the amount of inert gas dissolved into...

I strongly reccommend Diving in Malta and Gozo with the Top Scuba Diving Centre - Atlantisgozo Gozo. They have a good pool of instructors either PADI, SSI or CMAS. happy diving.

Just my two cents, but I suspect the datamask transmitter is the same used for Shearwater, Hollis, Aeris. They are still produced by the same company (Pelagic) now owned by aqualung, so, maybe you could buy a 2nd hand transmitter or even a new one for less than $399.

If I were you I'd wear a full 3mm wetsuit, bring with me a light hood (3mm too) just in case: multiple dives in a day make me feel a bit cold. At least I was diving like that this year in the maldives with 82 F and it was perfect.

For me the answer is: not yet, let's see in a couple of years.

May I add a different point of view ? I was trying to do the same math with my instructor (OC) not longer than one month ago. During the discussion I realized that the discriminant factor could be not economic, but more pratical: in CC you always breath the best mix at any depth.

Yes, you are right, I also have a son with my same size, and sometimes we dive together, that's why the Al BP are two and I arranged to use the SS BP with singles either ... Next step will be when my son will dive twins, some suggestion ? :D

Al BP and Halcyon Pioneer 30# wing or Al BP and DTD 38# wing (with 18L steel cylinder). Both do not requires STA In 3mm wetsuit I do not have ballast (maybe 1Kg) With drysuit SS BP and 5Kg weights with STA because it is faster to switch to twinset just removing it and changing the wing...