Black, you're too much...stop this nonsense...
Stop waisting everybody's time. Is there Anybody out there interested in
Black's stupidity?
Anybody? SPEAK UP!

THOMAS

> -----Original Message-----
> From: Michael J. Black [mailto:mjblackmd@ya*.co*]
> Sent: Wednesday, May 31, 2000 11:48 AM
> To: Aquanaut Mail
> Subject: Re: DIR Jackpot!
>
>
> On 5/27/00, George Irvine (Trey) wrote:
>
> > I am a psychopath, not a sociopath, and my track record speaks to the
> > rest.  Black is a pussy who did not like being corrected fro extreme
> > ignornat stupidity.
>
> No George, even I don't think you are psychotic, but that could change.
> As for my "extreme ignornat stupidity" were you referring to the pony
> bottle with pO2 1.9 debate?  Thought so, and just FYI here is what TDI
> says in one of their coursebooks (authored I believe by Jan Neal, who
> IS a BEST diver, i.e. absent from this list):
>
> "A small volume scuba cylinder of EAN39 carried with a diver for a
> decompression gas can also be a redundant gas supply.  In the event
> that the primary gas supply is exhausted, the diver can switch to
> EAN39 and make a normal ascent.  If this emergency occurred at 130 fsw,
> the pO2 for EAN39 would be 1.92 ATA.  Although the recommended maximum
> oxygen depth limit for EAN39 is 102 fsw (pO2 1.6 ATA) the exposure
> time for an ascent from 130 fsw to 100 fsw would only be 30 seconds.
> In this situation the pony cylinder becomes a "bail-out bottle."  The
> risk for CNS O2 toxicity is minimal, especially compared to the
> alternative of no bail-out.  In this situation, EAN39 provides
> operational safety as a bail-out gas shallower than 130 fsw without
> the need for an oxygen clean regulator that is required for higher
> mixes.  Thus, when carrying a pony cylinder of EAN39, operational
> and physiological safety is increased."
>
> MJB :-)))
>
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