Re: Breathing fluids for high-G app. - Re: Mars in two weeks?

From: Russell Whitaker (
Date: Sun Jan 07 2001 - 01:22:30 MST

>From: "S.J. Van Sickle" <>
>On Sun, 7 Jan 2001, Russell Whitaker wrote:
> > Why not bath the lungs in breathable liquid fluorocarbons?
> > As a recreational (and one-time semi-professional) diver I've
> > had an off-and-on fascination with it. Worth looking at.
> > Here's an intruiging discussion:
>It was stated earlier in the thread that the FCs are significantly >higher
>in density than the human body.

Gack! I'm still catching up on all the discussions of late.
Afraid though that I've been working backwards in the threads,
hence hit your latest and felt compelled to jump in.

>Though, now that I think of it, the
>density difference is probably much less than the difference with air > in
>the lungs.

Another thing going for FCs: they're incompressible.

Here's a concern, though: under _very_ high acceleration,
I wonder what the diffusion characteristics of the carrier
fluid are with respect to alveolear membranes? This hasn't
been tested yet (to my limited knowledge).

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