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Re: [GPSL] [Fwd: [Ballooning] Helium vs. Hydrogen]

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  • Joe
    This has all been covered before. Someplace in the history will be a complete description of what we do. 47 flights every one H2 20+ years of flights. Joe
    Message 1 of 2 , Jun 6, 2009
      This has all been covered before.

      Someplace in the history will be a complete description of what we do.

      47 flights  every one H2  20+ years of flights.

      Joe WB9SBD
      Near Space Sciences

      Mike Manes wrote:
      Passed to a larger audience.
      73 de Mike W5VSI, EOSS
      
      -------- Original Message --------
      Subject: 	[Ballooning] Helium vs. Hydrogen
      Date: 	Sat, 06 Jun 2009 17:07:03 -0600
      From: 	Bruce Coates <bruce.coates@...>
      Reply-To: 	Ballooning@yahoogroups.com
      To: 	Ballooning@yahoogroups.com
      
      
      
      
      
      Hi
      
      Purely due to the increasing cost of Helium, we're investigating using
      Hydrogen on some future flights.  I'm curious to know other groups
      experiences with Hydrogen.  Please weigh in on the following questions:
      (Sorry, that was a really poor pun)
      
      Are we crazy?
      Do I, as my wife suggests, just have a death wish?
      What precautions do you take to reduce the risk of ignition?  I realize
      that you need a certain amount of oxygen to reach ignition, but let's
      assume there's enough air accidentally in the balloon when you start
      filling.
      Anything else?
      
      Thanks
      
      Bruce - VE5BNC
      http://ve5aa.dyndns.org/balloon/balloon.html
      
      
      
      
      
        

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    • Mike Manes
      Passed to a larger audience. 73 de Mike W5VSI, EOSS ... Subject: [Ballooning] Helium vs. Hydrogen Date: Sat, 06 Jun 2009 17:07:03 -0600 From: Bruce Coates
      Message 2 of 2 , Jun 6, 2009
        Passed to a larger audience.
        73 de Mike W5VSI, EOSS

        -------- Original Message --------
        Subject: [Ballooning] Helium vs. Hydrogen
        Date: Sat, 06 Jun 2009 17:07:03 -0600
        From: Bruce Coates <bruce.coates@...>
        Reply-To: Ballooning@yahoogroups.com
        To: Ballooning@yahoogroups.com





        Hi

        Purely due to the increasing cost of Helium, we're investigating using
        Hydrogen on some future flights. I'm curious to know other groups
        experiences with Hydrogen. Please weigh in on the following questions:
        (Sorry, that was a really poor pun)

        Are we crazy?
        Do I, as my wife suggests, just have a death wish?
        What precautions do you take to reduce the risk of ignition? I realize
        that you need a certain amount of oxygen to reach ignition, but let's
        assume there's enough air accidentally in the balloon when you start
        filling.
        Anything else?

        Thanks

        Bruce - VE5BNC
        http://ve5aa.dyndns.org/balloon/balloon.html





        --
        Mike Manes mrmanes@... Tel: 303-979-4899
        "Things should be made as simple as possible, but not more so."
        A. Einstein
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