Breathe liquid ???

[Bob3]

A sub's nuke reactors need refueling "about" every 35 years, which exceeds the so-called design life of 30 years for the boats.

 

[ScubaK-Dawg]

I hope this isn't a dumb question. I recently watched the movie "the abyss" and was intrigued by the scene where they were breathing some sort of O2 enriched liquid while diving. I've heard rumors that the Navy acually uses this sort of thing on some of their deeper dives. I have no idea if this is true or not, but I'd like to know if anyone knows anything about this. In theory, it would make sense that, if you could breathe this sort of liquid, you could eliminate such things as O2 toxicity, Narcosis, and DCS, since liquid doesn't compress and therefore would not raise the partial pressures of any gas in the breathing mix during descent. Does anyone know if this sort of thing is used in the military? If so, is there a chance we'd ever see it used in the technical diving areas? I assume it would be extremely expensive and uncomfortable to use ( having your lungs filled with fluid and all). Just really curious.
Scubak-dawg

 

[truva]

Having said that, and ignoring all the other stuff that may raise it's head, not the lest of which is running at this troll. Liquid O2 is a bit on the chilly side so you’d have to watch for that, same deal with liquid Nitrogen, but it’s a movie so lets go with it.

You’d still have the decompression obligation; I think they took care of this in the movie by the handy aliens doing something but it as been awhile since I last saw it.

I enjoyed the movie too.
Truva

 

[archman]

Try this link. It's really good.

http://www.scienceweb.org/movies/abyss.html

I love Google.

 

[truva]

Try this link. It's really good.

http://www.scienceweb.org/movies/abyss.html

I love Google.

I hate some smart***** using Google!

LOL

Truva

 

[ScubaK-Dawg]

Having said that, and ignoring all the other stuff that may raise it's head, not the lest of which is running at this troll. Liquid O2 is a bit on the chilly side so you’d have to watch for that, same deal with liquid Nitrogen, but it’s a movie so lets go with it.

You’d still have the decompression obligation; I think they took care of this in the movie by the handy aliens doing something but it as been awhile since I last saw it.

I enjoyed the movie too.
Truva

I've talked to a friend of mine who was in the navy and he swears it is in use. I don't know whether to believe him. I'm not talking about liquid O2, which would have to be either very chilly or under a lot of pressure to remain a liquid (hence freeze your lungs). I'm refering to some sort of perfluorocarbon which archman referenced in his link (and which I know nothing about)...

 

[truva]

I've talked to a friend of mine who was in the navy and he swears it is in use. I don't know whether to believe him. I'm not talking about liquid O2, which would have to be either very chilly or under a lot of pressure to remain a liquid (hence freeze your lungs). I'm refering to some sort of perfluorocarbon which archman referenced in his link (and which I know nothing about)...

Who knows for real, I have heard the same. I mostly discount that stuff but then I remember the reports of UFO's in the 80's in Nevada then we see the F117J

Truva

 

[gxdoyle]

This whole question was actually covered in quite a lot of detail in a TDI course I did in Thailand. The instructor operates one of the chambers there and kept the class highly engaged with this story and similar anecdotes from the world of super-high-tech diving. Initially I thought it was bull**** but he had quite a lot of information on the navy experiments doing chamber dives with this stuff.

Unfortunately, since the course was in Phuket I have very little memory of the details.

Greg

 

[Diver0001]

I hope this isn't a dumb question. I recently watched the movie "the abyss" and was intrigued by the scene where they were breathing some sort of O2 enriched liquid while diving. I've heard rumors that the Navy acually uses this sort of thing on some of their deeper dives. I have no idea if this is true or not, but I'd like to know if anyone knows anything about this. In theory, it would make sense that, if you could breathe this sort of liquid, you could eliminate such things as O2 toxicity, Narcosis, and DCS, since liquid doesn't compress and therefore would not raise the partial pressures of any gas in the breathing mix during descent. Does anyone know if this sort of thing is used in the military? If so, is there a chance we'd ever see it used in the technical diving areas? I assume it would be extremely expensive and uncomfortable to use ( having your lungs filled with fluid and all). Just really curious.
Scubak-dawg

What I heard is that it never got past experiements on mice. The concept works but most of the mice developed lung problems and died IIRC.

R..

 

[Admiral Hanson]

:

the rat scene: it was in the movie, i saw it, they actually shoot it with few mice/rats/whatever they were and all survived. The one that is in the movie died (due to unrelated reasons) few weeks before movie release.

it appears that some animal society in Great Britain complained to movie rating organization and the scene got cut out in "director's cut" release. (maybe it was only in british version ? i've never seen the director's cut)

You are right, certainly the UK Cinema release version of the film and the associated video had the scene up. It certainly doesn't show the rat under the liquid in the cage.

I have the 'Special Edition' on both video and DVD, which is aroudn 25 minutes longer than the original film and to me, makes it a totally different movie. Darker and with the constant threat of a superpower conflict to highten tension. However, I am not sure if the rat scene survived in to the UK editions (It has been a while since I had time to sit and watch it)

When The Abyss was first show in terrestrial UK television, on Channel 4, the rat scene was as American version .... It showed the rat held down in the wire cage under the pink liquid. I can only assume that they'd got hold of the US 'cut' of the film.