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ALU back plate is the ticket in this situation, combined with a 55 pound
bladder and a pro6HID instead of a Pro14 halogen...<g>.

Regards,.

THOMAS

> -----Original Message-----
> From: Øystein Mehus [mailto:omehus@hi*.no*]
> Sent: Tuesday, August 15, 2000 1:53 AM
> To: Olle Welander
> Cc: 'TechDiver@aquanaut.com'
> Subject: Re: Advice on Halcyon bladder size?
>
>
> Olle Welander wrote:
> >
> > In sweden we have steel doubles in 2*10, 2*12, 2*15, 2*18 litres. I am
> > thinking of 2*12 or 2*15. What i want to know is what is the
> maximum set of
> > doubles and stages you could take on a 45, 55 and 65 lb halcyon
> bladder??
> > What's the maximum doubles set for a bladder if you don't wear
> any stages at
> > all?
> > I have a Halcyon SS backplate and still a Poseidon neopren
> drysuit, which I
> > can't afford to replace right now.
> >
> Hi Olle, I'm in Norway myself, try to DIR and dive 2x12.5
> 232bar. If you can get the 232bar tanks in Sweden, go for a
> pair of those as they have much better buoyancy
> characteristics than the 200bar.
>
> I don't know what kind of diving you do, but 2x12(.5) should
> get you a long way. I have recently used those and two 7l
> stages on a 100m dive/10min without violating the rule of
> thirds. I use this set for everything from shallow nitrox
> dives, to deep trimix. If I need more gas, I add a stage.
>
> Personally I find the 65lb Halcyon to be fine. Diving in open
> water, high waves with stages, canister light etc, I like to
> be floated a little higher in the water than what the 55lb
> will do. A friend of mine dives 2x12 and a 45lb Halcyon, he
> claims it's pretty inflated at bottom (85m), even with
> alu-stages, but still it's no big deal.
>
> To recap, a 65, I think, would be preferred by most peaople
> diving in rough seas, 55 should also be OK by most people and
> even the 45 should be OK in calm seas, or cave.
> --
> Oystein
> --
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