[PSUBS-MAILIST] Propane sub

[CWall@swri.edu]

Ken , Craig,
New ideas, risk takers... people do like new ideas just  most of them prefer
others to make the first step.
And this forum is full of folks willing to go ahead with new ideas
But I know for sure that a good pilot or a good submariner is an old pilot or a
 old submariner. If we dont live in caves it is because those who took the
risks, calculated them and survived them. Take uncalculated risks and you die
it is as simple as that, and there is no benefit nor courage in that.
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Hold it right there, Buster.   If you are saying that I'm not capable of
"calculating the risks", you've just called me stupid.  And if you think you
need to remind me that one needs to calculate them in the first place,  nothing
 changes.

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Taking a risk in diving in submarine which uses propane as a mean of ballasting
 is a calculated risk to die, it won t work, ever, and it is stupid because
there are other designs, working , proven,  for ballasting so why insisting on
that matter there is nothing to discover here. I am not talking about using
propane for propulsion which is fine.
But the idea of venting propane outside is crazy, I beleive it is even against
the law for safety reasons, not only for the pilot but for your neighbors, you
blow up yourself alone too bad,  you blow up with the curious boater who made
the mistake of being curious looking at your machine this is manslaughter. 
Propane is heavier than air, it smells, it builds up and a back fire can ignite
 a tank propane, with or without Oxygen, this is a fact, should i recall you
that flight TWA800 blew up in the sky because of the explosion of a fuel tank
after take off, I am quite sure that the amount of O2 inside the tank was close
 to nothing, but it blew up anyway.
Not sure? well YOU try
Herve

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  Herve, if you are really so lame that you think propane can burn without air,
 I'm surprized you can find the "on" switch for your computer.   And as far as
Flight 800 is concerned, the guy across the hall from me- as I type this_ did
the fuel lower flammability limits test for the NTSB as part fo that
investigation.    

  Trust me.  It takes an oxidizer to combust a hydrocarbon.   Oxygen, Chlorine,
 Fluorine- SOMETHING electronegative.  

  Good God this list is low grade ore!

Craig Wall