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Barrie, Dennis et al,

In light of recent posts on the subject, I'd like to point a few things out.

All parts have been tested for over 20 years? Does that mean that each and
every part in a rebreather has been designed at least 20 years ago? Gimme
a break!

Even if that were true, parts do not a system make. A rebreather is a
complex beast, and all the implications of putting all those parts together,
strapping the whole shebang on your back and performing non-military diving 
are still not known.

Which brings us to the main part: rebreathers have been in use for oh such a 
long time, yes, but by the *military*, who have different goals, dive
profiles, maintenance, training, support and - pay attention - risk acceptance.

I don't mean to knock rebreathers. Are they here to stay? Probably, yeah.
Are they safe? Perhaps. I don't know. And *you* don't know. Until they have
been in use by *civilians* for quite a few years, we won't know.

I'm all for you guys diving rebreathers. Honest. You know the risks, and
hopefully you try to compensate by proper training, maintenance and 
conservatism while diving. And it's your choice.

But *please* don't make it sound like open circuit scuba is a thing of the
past, and if you're the last kid on the block to have a rebreather you're
uncool or whatever.

Cheers,

Carlos     8^)

P.S.: If *I* were to try unproven technology, at the very least I'd make sure 
it's not *cheap* unproven technology. In other words, I'd steer clear of $5k
rebreathers if I were you.



>it's more like 5k and all parts except the tanks of this unit has over
>3.5 million man hours of testing on them all over the world for over 
>20 years.
>
>dp
>
>On Wed, 26 Jun 1996, Carlos Arruda Accioly wrote:
>
>> Barrie,
>> 
>> >Money talks, Bullshit dives open circuit.
>> 
>> Money talks, Bullshit spends $10K on unproven technology and brags about it.

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