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Actually, it was - he was wearing an evolution with the shell painted/coated black.

never mind

I agree completely.

Yep. Sort of like a CCR....

There 's no reason you can't go back & forth between CCR and OC (Not that I do or would want to) but you know your comfort level better than anyone. I think that GUE/WKPP are right in suggesting that the RB80 is mission-specific where OC won't do the trick. As I say I find it to have all the...

If this is what you want to do, I would stick with SCR like the RB80. but in my opinion, you will have all of the drawback of both OC and CCR without the advantage of CCR. Well, I have a cis canister in my meg so I am not so worried about caustic cocktail. before I got that, I would bail...

I run it in CCR mode - what's the point of having a CCR & not using it as a CCR. You can run it in SCR. That is taught as one of the bail-out methods and can extend gas in essentially the same way as the RB80, although there are some differences. It is a skill I practice. Bailing to OC...

Not a problem. I spent many a year on OC and while not GUE trained, was a pretty heavy drinker of the Kool-aid. One day after lugging 3 sets of doubles and a dozen or so stage bottles on board for a few dives, I said - that's it. 6 months later I had my meg and was happy. I don't own a VR3...

Hard to say. Without trying to sound like a rebreather apologist, there could be medical issues that drove the incident, or there could be other equipment issues unrelated to PO2. Without examining the body or the rebreather, it is impossible to say with any credibility what the cause is...

I'm with you and agree with the comments. Again, I was just pointing out that there is at least one manufacturer who is trying to build in a low PO2 safety even when the electronics are "off". Of course that won't overcome a lack of O2 (turned off or empty), solenoid stuck closed or total...

Sorry, perhaps I wasn't being clear. I was responding to a comment that units can be turned off on the surface and allow a diver to pass out due to a falling PO2. The HammerHead will not allow this to happen. Even in OC mode (i.e. Solenoid disabled), it will inject O2 if the PO2 falls below...

So how does the rebreather prevent a PO2 of 2.5? What happens if the diver isn't prepared for a loop flush? It just pumped several cubic feet of gas into the loop and now you're positively bouyant, trying to dump the loop, your drysuit and your BC all at the same time - no thanks. I...

Without body recovery (sorry to be morbid) there is no way to determine the cause of the fatality. By extension, there is no way to determine if better engineering was needed or if it would have prevented this accident.

Well there are no cars that prevent the driver from: - veering off the road or into oncoming traffic - exceeding or dropping under the posted speed limits - careening into people/buildings/lakes/trees - putting Coke in the gas tank instead of fuel - Drinking and driving (although there are...

Increased unit complexity and increased risk of failure. What if the "doors" get stuck shut? what if you accidentally re-calibrate at depth with an inaccurate calibration. I'd prefer to flush the loop with a known gas and read the cell reaction. At that point I'll decide if the cells can be...

Ron, While I don't always agree with you on the nit-picky details, Right On Dude. Tim

I know the unit you are talking about - I have actually dove it for 2 of those 7 months and the majority of the time that's been put on it was by me rather than the owner. It probably only has 30 hours on it. It is a legit sale. The owner is very apprehensive about rebrethers and will likely...

Chuck's passing greatly saddened me when I heard. I dove with Chuck a number of times, I was looking forward to diving with him on the 869 this year. I can ask a few other rebreather divers if they are interested, please pm me what you would like to get for the units. Tim

The tanks are made by PST and can be ordered from them (I was looking at them for my Meg). As far as traveling goes, that's a good question and point...

No problem Stefan. Personal preference aside, the more informed we are about other rebreathers, the better off the rebreather community is.