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For more information on the Byford Dolphin accident in 1983, the report from the government can be found here: Petroleumstilsynet : NOU 1984:11 Dykkerulykken på Byford Dolphin 5 november 1983 [Rapport] Written by the expert commision that did the inquiry of the accident. Or link to LIbrary...

A sharp sting/burn, I'd relate to heart burn. A squeeze, is a red flag in my world (EMS dispatcher for 10 years). Especially in combination with strenuous activity. (Of course, wording on a world wide forum, language barriers and so on can influence choices of words) Recommend you follow up...

Can't say I have experienced anyone saying "no waistband" weightpouches. Personally I prefer to keep my waistband clean, however I hate weightbelts with a vengeance, so my weighting is usually a combo of permanently bolted lead for the majority of the weight, and a pocket with 2kgs on my right...

What kind of pain? Burning? Hugging? Stinging? Trouble breathing? Where in the chest? Left? Right? Center? Front? Back? I was thinking heartburn.... I dont know how your trim was in BM. But people are often very flat in SM. So... food/stomach/eosophagus reflux related? Disclaimer: SEE A PROPER...

Stageregs are stageregs. Having them all O2-OK adds to equipment redundancy. There is ALWAYS the one reg that -needs- to malfunction at the divesite. If you need one... bring 3... especially stage-regs.

What do you eat?

Make sure the skirt of your mask is under your hood. Then you can vent warm air from your mask into your hood. Also, get a thicker hood with better fit. Hoods are "fresh produce".

:wink: Personally... I religiously avoid wet suits. Water is EITHER warm enough for board shorts and rash-guard OR it is colder than bath water and hence warrants a dry suit. However... I am still curious on how you would make diving a D12+ steel safe with a thick wet suit on technical dives. I...

Let me refrase that... "large double steels" (But usually the smaller steels will have too little volume for technical dives) The problem is not so much the tanks OR the wing OR the wetsuit. The combination however is an issue. The HP100s with a wetsuit is going to be a serious issue in case of...

So... Is the problem in this story the wing, or the WETsuit? In which world is it a good idea to pair up steel tanks and thick wet suits? And should it not be your job as an instructor to guide your student before she is put in potiential harms way?

From the information given to me at the chamber before starting my series of HBO treatments they said that some experience a 3% loss in pulmonary function permanently. Currently my brain is a bit mush, so consider it with a grain of salt. Incidentally, one of the treatments currently in testing...

O2 can influence both lungs and brain negatively. In the brain, it causes ox tox with seizures. In the lungs, the oxidative stress causes damage to the tissue with following degradation in gas exchange over the alveoli. As a nice anectode. I currently have the dubious pleasure of being treated...

Diving in Norway is organised under NDF and NIF (Norges Idrettsforbund and Norgesdykkeforbund) and are sport organisations. In these organisations, diving is under the umbrella of CMAS (much like BSAC). The Norwegian government have arrangements for ALL sports members of Norges Idrettsforbund...

You are not supposed to have the lower horizontal webbingpart there. Unthread it. Start with the webbing with grommet aligned with a hole, horizontal to the plate on the back side. Then thread either side through the slanted hole on the respective side, back to front. Then, up and through the...

I usually do it to get rid of guys... Note to self: remember to pack away the scooter, rebreather, stages, drysuit and camera from the bathroom if bringing home dates that "actively vacationdives in a shorty"...

Use a normal pencil in wetnotes. In the wetnotes, I keep some of these and one Pilot Croquis Pen.

As DM is saying here, your elbow position is blocking the natural range of motion in the shoulder. Start with palms down your side, facing your hip. Bend elbow, lift arm so palm strokes ear. Keep elbow forward/upward.

It might be a technique problem. Quite often the instinct way of reaching back is elbow 90 degrees to the direction you are facing. If this is how you are doing it, your scapula/other shoulder anatomy will block your arms range of motion. instead... Hold your arm down your side, palm facing hip...

It probably works just fine... I have just been close to a friend whose heater-battery decided to go kaboom in 60meters of water... We were very happy we could get it off his plate and away from the suit. Hence... a slight bit sceptical. However... most of my "scepticality" came from the...

Just by looking at the specs I am sceptical. Personally, having batteries inside a drysuit just gives me the heebejeebies thinking about it. Note #2, 30w is not very much. I just upgraded from Santis 55w to Trojans 70watts... Electric heating in wetsuits, I know nothing about.