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To: techdiver@opal.com
Subject: automatic mixture rebreathers: when oh when?
From: "A.APPLEYARD" <A.APPLEYARD@fs*.mt*.um*.ac*.uk*>
Date: Fri, 1 Jul 1994 16:47:48 GMT

  I am sorry to reiterate, but among all the flaming etc and intricate
technical discussions has anyone any idea when we will see in the diving gear
shops a simple plain reasonably cheap and reliable, not burdened with too much
to go wrong, automatic mixture rebreather with bag, canister, oxygen cylinder,
air (as diluent) cylinder, robust small ppO2 detector, a little simple
electronics to automatically keep the ppO2 at 1.2 ats, and as little as
possible else? (It could have a separate high-pressure air (diluent) outlet
that he can put an aqualung-type regulator on as a baleout if he wants to.) If
suitable decompression meters can't be had, he can always use one meant for an
air aqualunger: it will err a lot, but on the side of safety, until a
decompression meter is made that can be set to "I am breathing 1.2 ats ppO2
and the rest nitrogen" mode. If fancying them up is what is delaying them,
then just get the basic thing on the market and let the income from selling
them help to aid the continued development!

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