James,
GUE has a recommended mixture / depth chart.
Billy would have it, or I can send it to you.
Merry Christmas,
Jeff the Darwinian.
----- Original Message -----
From: "James Dibbs" <James.Dibbs@op*.co*.au*>
To: "'Trey'" <trey@ne*.co*>
Cc: <andrew.ross@ma*.co*>; "Techdiver@Aquanaut. Com"
<techdiver@aquanaut.com>
Sent: Friday, December 21, 2001 8:22 AM
Subject: Correct Helium percentage


> "At 200 feet, this is useless, and 17% is not the right mix for any dive,
> nor does it give any of the benefits of helium in the proper percentages,
> which needs to be at least 30 for diving ( over 100 feet) and 25 for
shallow
> deco bottles"
> George.
> After spending a night in Billy's garage on Monday, I was given a crash
> course in mixing and planning dives on trimix.
> I now have a 20/23 mix for 50m dives. This gives a 33m EAD.
> Regarding your comment above, what maximum EAD do you plan your dives on?
> ---------------------------
> Now that I am using (hopefully) the right gas, could you give me the
profile
> you would recommend for a 20min 50m dive using 50% Nitrox for deco.
> Thanks
>
> James Dibbs
> Sydney, Australia
>
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