> Kent, you are correct, and oxygen is no big deal anyway. The term > "Heliair" was coined by my friend Sheck Exley who killed himself > violating Rule Number One, as well as diving air to 400 feet at the same > time after telling me he was too old to get in shape. He never reached > my age. It is useful for one thing. I dive it in my Mk15.5. It's easy to mix, it's easy to analyze, it's easy to top off a half-used sphere, and the loop always maximizes the oxygen window anyway. -bruce -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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