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TABLE 13.1 BOTTOM MIXES *10' 100' 3m - 30m 32% Oxygen 110' 150' 33m - 45m 21/35 (O2/He) 160' 200' 48m - 60m 18/45 (O2/He) 210' 250' 63m - 75m 15/55 (O2/He) 260' 400' 78m 121m 10/70 (O2/He) *FYI - As pointed out in a previous post, dives less than 100' 30m might be better served using 30/30 (O2/HE). TABLE 13.1 DECOMPRESSION MIXES 20' 6m 100% Oxygen 70' 21m 50% Oxygen 120' 36m 35/25 (O2/He) 190' 57m 21/35 (O2/He) I pulled this out of the archives, JJ posted this a while back. I just added the note about the 30/30 mix. Hope it helps. Adam ----- 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: Thursday, December 20, 2001 5:52 PM 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 > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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