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Scuba Forum / General / February 2006Artificial Gills a reality
I haven't noticed this on the group, but apology's if this is a repost. Are they ready for dicers - not yet.. are there problems still to be resolved - yes.. Is it still a fascinating first step - yes.. Seems like the issues are what we all heard about rebreathers a decade ago. http://news.bbc.co.uk/1/hi/sci/tech/4665624.stm > I haven't noticed this on the group, but apology's if this is a repost. > > Are they ready for dicers - not yet.. are there problems still to be > resolved - yes.. Is it still a fascinating first step - yes.. It loses fascination when you read it again every spring. Matthias >Seems like the issues are what we all heard about rebreathers a decade >ago. When will they be ready? <G> >>Seems like the issues are what we all heard about rebreathers a decade >>ago. > >When will they be ready? <G> I want my flying car.  Signaturedillon Could have been is in the past Could be is in the future There is only the now >>>Seems like the issues are what we all heard about rebreathers a decade >>>ago. >> >>When will they be ready? <G> > >I want my flying car. Sorry. I think Harry Potter has dibs on that one. :-) ____________________________________________ Regards, Arnold > >Seems like the issues are what we all heard about rebreathers a decade > >ago. > > When will they be ready? <G> Well, the first time that aritficial gills were "ready" was as per a US Navy prototype that was declassified and reported in an article in "Popular Science" magazine. I can't recall the year, but it was way back when they were still using the smaller, almost "Reader's Digest" print magazine size - - probably 1960's vintage. So...given roughly 50 years that have transpired without commercialization successfully occuring, the odds are pretty good that this "new" gill might eventually make it to market by 2025. "Don't hold your breath". -hh >> >Seems like the issues are what we all heard about rebreathers a decade >> >ago. [quoted text clipped - 16 lines] > >-hh No. I meant when will rebreathers be ready. <G> > Well, the first time that aritficial gills were "ready" was as per a US > Navy prototype that was declassified and reported in an article in > "Popular Science" magazine. I remember the article, but I don't remember that they were exactly ready for human use. As I recall, and we're really going a long way back here, they were tested on some small animals, perhaps mice, in some kind of super oxygenated liquid. It wasn't long after, again, by simple recollection, that it came out that the concentration of oxygen in water was not sufficient to allow them to extract enough to sustain a human. > I can't recall the year, but it was way back when they were still using > the smaller, almost "Reader's Digest" print magazine size - - probably > 1960's vintage. You're in the ballpark, but I don't recall it as a small magazine. > So...given roughly 50 years that have transpired without > commercialization successfully occuring, the odds are pretty good that > this "new" gill might eventually make it to market by 2025. > "Don't hold your breath". You'd be better off holding your breath than using one of these things. Lee >>Seems like the issues are what we all heard about rebreathers a decade >>ago. > > When will they be ready? <G> the battery only lasts for 1 hour. Combine that with the obvious buoyancy issues this thing will have, due to its void space as well as gyroscopic effect, and I fail to see how this is superior to even the much maligned but ever popular Al80. >>>Seems like the issues are what we all heard about rebreathers a decade >>>ago. [quoted text clipped - 5 lines] >gyroscopic effect, and I fail to see how this is superior to even the >much maligned but ever popular Al80. Eighties work. Signaturedillon Could have been is in the past Could be is in the future There is only the now >> and I fail to see how this is superior to even the >> much maligned but ever popular Al80. > > Eighties work. Best damn stage bottles made.......even good for some back gas applications, in pairs. Curtis |
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