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Absolutely. If you read the story of Shaw’s fatal dive, you will see that Don Shirley risked his life going beyond his planned depth in a desperate attempt to save Dave’s life. Then a wrong gas switch started a cascading event that brought Don to almost lose his life. They had tens of support...

I believe the following belongs in this thread because it sheds light on the difficulties and the mindset of deep diving and especially upon deep diving in pursuit of a record. If MODs believe otherwise we can spin off a different thread. For people wondering about these dives I would suggest...

sorry I missed the “air” bit ...

and still is ...

Reading the Guiness website you can find that the official record was 332.35 mt due to a slight ben in the guideline ...

Nope, they still do it. Ahmed Gabr breaks record for deepest SCUBA dive at more than 1,000 feet The 2005 record set by Nuno Gomez was broken by Ahmed Gabr. Also he was planning 350 mtrs but he stopped at 335 ...

Kind of hot water (re)discovery. Especially for reb divers who have to move gas by lungs and not mantaining a slight depression in the mouthpiece to be fed gas ... In fact the most recent piece of bibliography is 2015 and the oldest 1973 ....

As I said an explosive (sudden) cabin depressurization can impair even non divers, so having a crew member at the controls after a dive is not a demonstration of responsible behaviour. Do not think even for a second that the positive pressure mask will avoid being bent, it will only avoid...

Couple of thoughts here. First nobody has studied bubbling by non divers flying. Second the danger is aircraft decompression. Sudden aircraft decompression to 20,000 ft (which is done in chamber for all military personnel who will fly jets) is known to have bent subjects who never dove. So the...

Next: try will a cave primary reel 200-400 mt! :wink:

this^ I thred the line through my big toe and use to regulate tension and thentwo hands on the reel: one to hold it and feed the line where I want is and the other to spin it.

OSTC which is the one I use ...

Yes by doing statistics and validating a model but reality? For that dive and that diver?

:yeahbaby: No DC output has any basis in reality ever ... They just have a mathematical model based on assumption or at best on observation or a relatively modest statistica population and crunch a few numbers based on such models. Basis in reality need to have a connection to the human body to...

You should not but: you are on the loop and loose it and panicking or for a CO2 hit you use up the deep bailout ... while getting shallower. So now you have only rich deco gas ... Running scenarios makes you prepared for emergencies ...

You are decompressing at 27 or 24 mt and you run out of 30/30 or 35/30 and your next available mix is EAN 50 or Heliox 50/20 which has a mod of 21 would blow the remaining time at 24 (probably one or two minutes) or breathe an too rich mix? Depending on the GF I am set (I dive 45/85) probably...

Morto un sub all’ isola d' Elba articolo su Scubaportal, portale subacqueo - immersioni, diving, attrezzatura sub, viaggi sub, subacqueo... Luca Nobile, 56 years old, was diving in a group of 6 and lost consciousness upon surfacing after a dive 35 meters deep. He was with two instructors...

Well the forces from venting through the burst disk orifice made the cylinder spin and roll until the impact on the valve caused valve/cylinder separation. The force is proportional to the ejected mass of air and the speed. The greater orifice increases mass a lot (speed remains the same since...

Googling it for you. Then we should stop since this is A&I and this has little to do with the accident except is even higher pressure than a scuba tank ... Self-contained breathing apparatus - Wikipedia

Small tanks long time .... fighting a fire. 300 bar is quite common ...