On top of that you want to be able to open up your second stage underwater
without any tools. The Poseidon needs a screwdriver for this...

THOMAS


> Bruce,2nd stage needs to be finger tight on all hoses for total back up.
> i.e. if your second stage primary failed at depth,you unscrew 2nd from
> stage bottle to replace long hose 2nd : fully efficient back gas with 2
> hoses in case of ooa scenario.
> There is a problem with Poseidon 2nd`s which I think is a small needle
> inside 2nd which bends on switching.
> Oviously before switching you shut down relevant post and purge reg,then
> when fitted, turn on post and purge again.
> When reaching your first deco stop, you can then transfer switched second
> back to relevant bottle.
> This system gives you 3/4/5 usable 2nd`s whatever your configuration.
> Whats the point of having 4 2nd`s if one dies on you and you can`t use the
> other two?
> Scenario: you get separated on a deco stop at 70fsw.
> Your 2nd on 70fsw gas fails!DO you A) blow off the deco and go straight to
> Oxygen at 20 fsw?
> Or B)  go to back gas back up 2nd and use the primary to replace deco 2nd
> on 70 fsw deco gas?
> I know what I`d like to do:-)
> best, Jack.
>
>     At 21:30 05/02/00 -0600, you wrote:
> >Thanks for the word Jack,
> >
> >Would you mind explaining a little more fully what you mean when you say
> >interchangeable. Are you refering to swapping a 1st/2nd rig from one tank
to
> >another or disassembling a 2nd from the hose and onto another 1st? Or
> >neither of these. I guess I don't understand what good interchangability
is
> >when your underwater. You could swap any 1st/2nd set from one tank to
> >another regardless of make and I find it pretty far fetched removing 2nds
> >from the LP under water, but I'm probably missing the whole point.
> >
> >Thanks,
> >
> >Bruce Bowers
> >composer
> >Akimbo Music Prod/Hungry Hill Records
> >----- Original Message -----
> >From: jack <omegasac@ti*.ie*>
> >To: Hungry Hill <hungryh@nc*.ne*>
> >Sent: Saturday, February 05, 2000 11:34 PM
> >Subject: Re: Poseidon 2nd stages?
> >
> >
> >> Well Bruce,you can`t break down a POSEIDON 2`nd to clear debris or
> >> blockages in the diaphragm without tools!
> >> G250 is poss to do this by unscrewing the cover on reg( Apeks also)
> >> Regs NEED TO BE INTERCHANGEABLE between back gas and deco gas in case
of
> >> failure to your regs or buddy`s regs.
> >> Hence the same kit is encouraged for all team members.
> >> best,Jack.
> >>
> >
> >
> >
> >
>
> --
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