Not this one either:
Posted on 07/04/2005 10:29:15 AM PDT by nickcarraway
http://www.mindthis.net/mindthis/2005/06/the_electrogill.html
"The patent application predicts that processing 2,000 l/min should produce 25 l of breathing gas (more than double my breathing rate)."
1000 liters/minute is a LOT of water. You'd be moving pretty fast!!!
"The second question is about gas mix. In its simplest form, the electro-gill would serve up the gas mix which is dissolved in the seawater. This goes against the current trend where divers are making use of different gases' properties to decide on the best breathing gas for the target depth (nitrox, trimix etc). With filters and scrubber, the electro-gill could become a trimix rebreather fed from the gases dissolved in the water but the issue would again be one of size and weight."
For all you folks excited about this - keep in mind he hasn't actually built and demonstrated one yet.
That's right. If they intend to go below a certain depth, they would need to carry a tank of another gas. This would work for shallow dives, though.
It would have to be real shallow, pure Oxygen does not travel too deep. I dive nitrox, usually 36%, I can't go past about 90 ft IIRC before I hit the danger zone. With Tri-mix, you do about 30% oxygen, with the remaining air made up of Helium and Nitrogen, so you don't get much nitrogen in the tissues.
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