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Hi Dave, Specifically there are less points of failure in a set of independants than in a manifold. My point is not that independants are safer or less safe, that is in the hands of the user. They are two different tools available for the diver. There are many situations where independants are "as safe" as a manifold if used properly. Proper use seems to be the only problem on the list. No one wants to discuss proper use, though, so the system is condemned outright. My view is that independants have less points of failure (less orings, less plumbing). If you have to shut down one side of your manifold you are, in effect, now diving independants with one bad tank. But YOU HAD TO TURN A VALVE AND SWITCH A REG. An independant diver ONLY HAD TO SWITCH A REG. He doesn't HAVE TO shut down the damaged tank because he won't be able to use it anyhow. If he does NEED that gas, it is again a mangement problem not a system error. It comes down to how you use either system because if you maintain a manifold properly it will probably not fail any more than a set of independants. Regardless of which you decide to use, and when, keep questioning and thinking like you are. Then you can decide what is best FOR YOU, a very important consideration. Don't believe "boat monkees" like me or "the guy with the end of the line!" like George, because in the end it is YOU who is ultimately responsible for yourself. Don't forget why you are diving in the first place, Mark Dave Mabry wrote: > > Once again, no claim that independents are safer. Just that "they are > not without merit." I am specifically asking how they are safer. > Still, nobody will make that claim. > > I don't disagree that there are advantages to independents. There are > certainly advantages to just about any configuration. Advantages do not > make something safer. > > Anyone? > > Mark Welzel wrote: > > > > Regardless of all the banter from the cave crowd, the safety issues > > brought up concerning independants have ALL been diver error and > > not system error. That is how certain equipment is condemned on > > this list, no good reason not to use except for inability to use > > it properly. > > > > Alas, I am but a poor boat monkey (thanx georgie) and have > > only seen thousands of divers and been on over a thousand dives > > myself and therefore cannot contribute, let alone disagree, with > > the content of this list. > > > > For the record: > > - I have not condemned long hoses I just think they are necessary. > > - I have used a manifold for the last 3 years, but independants > > are not without merit. It's just that no one wants to talk about > > them. > > > > As for everything else; if you don't have George's BC and Georges > > scooter and George's light (not butt-mounted) and Georges fins > > and Georges configuration and your head up Georges ass then you > > are a stroke. Very simple, really. > > > > Mark > > ps - I dive because I enjoy it, not to prove anything to anyone > > or to look fashionable above and below the water and especially > > not to fit in with some click, I mean team! > > Be safe-stay home! > > > > Dave Mabry wrote: > > > > > > A few days ago I answered a post by Janet, the New England boat captain, > > > regarding advantages of independents vs. manifolds. At that time (and a > > > few times before that) I posed the following question: > > > > > > How are independents SAFER than manifolded doubles? > > > > > > There has been much banter here about certain advantages of independents > > > and the pro-manifold people have pointed out advantages of thier system. > > > Advantages of independents included thing like easier to handle on > > > boats, reduced cost if you have a burst disk go, fewer total tanks > > > needed for a multiday boat trip, etc. But, NOBODY has pointed out any > > > way that independents are SAFER than manifolded doubles. > > > > > > Most of the advantages of manifolded doubles have to do precisely with > > > safety. > > > > > > I would conclude that since the pro-independent croud really can't point > > > out advantages of independents that make them safer, that indeed they > > > ARE NOT safer! > > -- > Dave Mabry dmabry@mi*.co* > Great Lakes Maritime Institute Underwater Research Team > NACD NSS-CDS #42872
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