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In a message dated 08/16/1999 11:44:39 PM Eastern Daylight Time, mikey@ma*.co* writes: > Am I missing something here? A normoxic mix at 250 fsw has a > PO2 of 1.8 AtA. At 19.2% O2, the PO2 is 1.6 AtA and at 16.9% > it's 1.4 AtA. To dive safely at 250 fsw, a hypoxic mix at no > more than 16.9% O2 should be used. > > Now, 16.9% O2 is perfectly breathable all the way from the surface > to the bottom, of course, and reaches a normoxic PO2 just a few > feet below the surface so a travel mix is not needed and doesn't > makes sense on this dive, but the mix *does* have to be hypoxic > to be safe. No Mike you have hit the nail on the head you don't need a travel gas just one deep breath before you insert bottom mix reg and jump. Which is the gist of the sarcasim in the post. This pony thing is a joke! Its one more piece of junk attached to the gear with yet another reg to deal with. Thats okay though at the current rate of personal preference expires only DIR divers will be left to carry diving into the new millinium. Ray LaTulippe -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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