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>Peter wrote:
>
>1.  The SCR must be capable of supplying 2 litres O2/min, whatever the gas
>(nitrox mix) used, at all operational depths, particularly swimming at or
>near the surface.
>
>Yes, that's a high oxygen consumption, but that's close to what George III
>can probably do and will, fighting a 3 knot current.

Bill and I have debated this number endlessly.  We are almost ready with our
submersible O2 sensor and hence will start to have a more solid feel for this.
Bennet&Elliot quote 3 l/m with a potential maximum of 6 l/m.  I personaly have
done over 2 l/m on a land test.  I don't know what the actual number was
because I was going hypoxic (fast) and had to terminate the test!  Until we 
have the sensor ( and some experience with it) I will stick to 3 l/m and use 
the bypass anytime I have to work hard!

Barrie 

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