[PSUBS-MAILIST] Test and questions

[Chris Nugent <dirkpitt77@yahoo.com>]

   Hey all,

  Just a test to see if this thing will work for me now....

  I do have a couple or three questions I'd like to stick out
there while I'm here though.
   A friend told me that U.S. Navy subs use carbon dioxide in
their ballast systems.  I am skeptical.  Is this true?  The only
reasons I could think of were maybe for quieting or
firefighting, and even then, wouldn't it be impractical and more
expensive to use than just the good old regular air?  This is a
question for you ex-bubbleheads out there.
   Another one recently posed to me is how much air pressure you
need to have available to blow your ballast tanks.  I assumed it
was equal to or greater than the ambient pressure of the water
at the depth you are working at.  Yes?  No?  
   Ok, actually, I think that's it.  Thanks for any help
anybody's got out there.  

                                      Thanks again,

                                           Nuge

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