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Not all boats have that, plus when you put in over a dozen tanks plus people, it may override the flotation built-in. I don't think it sank completely, at least not initially. It was sunk stern down with the bow sticking partially out of the water. The first victim was trapped between the top...

It was a huge wake up call for me. As a Key Largo resident and diver, I have never thought you could die doing 20ft dives on a popular reef surrounded by people and boats. But history shows that divers often die in shallow, warm, clear waters. A young, new female diver died in less than 10ft of...

45%!! Holy crap!

That was embarassing. Link fixed. Sorry.

http://keys.craigslist.org/pho/2953932181.html Light & Motion Stringray II housing and all related supplies (batteries, chargers, etc.). Comes with LCD backplate and regular backplate viewer. Works great and is in great condition with one small repair caveat. May need to repair one wire on...

Thanks for sharing.

Thanks for the link.

Can someone just re-post the video link for me?

Good point. P02 is something like .55 according to this chart: http://www.ndc.noaa.gov/pdfs/nitrox32.pdf I haven't done the (simple) math in a few years, but I probably should do that. I'm guessing the math would prove that I would be more likely to run out of gas volume before I exceed P02...

Can someone send me the video link? For some reason I can't see it in the original post or anywhere else on the thread.

Great point.

Suppose I make Nitrox dives to recreational limits, is there benefit to using the rest of the Nitrox offgassing on the hangbar before heading up, if you have enough gas to safely hang more? My guess is yes, that the extra oxygen at shallow depths would not be enough to cause O2 tox in most...

Wow, that is a great question I overlooked. Lots of divers are found drown with a regulator in their mouth and air in the tank, but most are eventually diagnosed with a medical condition that caused it. In this case, they didn't find a medical cause. So, it's a good question. With that said...

ScubaSteve, I'm not sure what you would consider "documented proof", but he does provide a ton of detail that indicates that he has the source documents he is referring to. He even points to inconsistencies that would be hard to know without having seen the source documents. My issue isn't the...

Roger, these are last comments I will make to your comments as there is no way that you are ever going to change your mind. I do not think you have even read all the pages. [Roger: I did read them. Some of the pages over and over. My mind can be changed. I can be persuaded by strong evidence...

Agreed. There is so much positive conjecture for Gabe by this author in areas where he is not an expert witness, that he appears more like a central lawyer than an expert witness in a specific area. He dogs (i.e. speculates about) police (even dive trained police) for making and taking...

If you are diving with people who ascend 15 metres (50 feet) in a minute, in a strong current, and stop at five metres for perhaps 15 or so seconds, before continuing to the surface, then there is something wrong with the way these people dive. [Roger: Agreed, but I routinely see people doing...

Roger, There are pages and pages of discussion on this topic addressing your hypothesis, and many others. Do a search here on SB, or I can get you a link. [Roger: I have read many of the threads on here over the years. And I was glad to read this more detailed account, which cleared up...

ClownfishSydney, A lot of your statement deals with timing from dive computers. Did you make sure they were sync'd accurately with each other before comparing diving profiles? If you did, I just missed it in the large statement (which I read twice). If not, then it's unreasonable to compare...

"As we know (from dive medicine expert Dr Carl Edmonds) that a minimum of two minutes and more like three to four minutes is needed to kill someone at this depth," Can you explain this statement? The average person, if they can't get air, will be passed out in about a minute. It may take...