[NSRCA-discussion] SODA BOTTLE FUEL TANK

[Wayne Galligan]

Wow!!!  24 oz....    I can fly 15 min. on the 15.9 oz. bottle with my OS 1.40.  I was wondering why these wide body planes started getting so popular.... got to have'em so you can put a big enough fuel tank in them.

Wayne

  ----- Original Message ----- 
  From: jivey61 at bellsouth.net 
  To: NSRCA Mailing List 
  Sent: Wednesday, February 15, 2006 8:36 PM
  Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK


  Wayne
   I was getting ready to update my experiment with the 33 oz coke bottle filled with fuel 30%. I let it sit and shrink for 2 months,then when it appeared to stop shrinking I removed the fuel and carefully measured the volume.The bottle started life as 33 oz,1 liter and now holds 24 oz liquid. Which is perfect for a thirsty 160 DZ with a 4 blade prop.I have it in my Smaragd and will fly (test) tomorrow. Should work fine and no more shrinking.

  Jim Ivey
    ----- Original Message ----- 
    From: Wayne Galligan 
    To: NSRCA Mailing List 
    Sent: Wednesday, February 15, 2006 6:21 PM
    Subject: [NSRCA-discussion] SODA BOTTLE FUEL TANK


    FYI...   I had a conversation with a flying friend the other day about the
    soda bottle fuel tanks and the way they shrink.  He happens to work for
    Pepsi and explained to me that the bottles are blow molded.  He said if they
    are not used with in a certain period of time that the memory in the plastic
    takes over and they will shrink in size and then they have to discard the
    old bottles.  The carbonized soda keeps the shape of the bottle till used.
    He said that most likely the nitro content speeds up the process and could
    explain why some of you using them with higher then 15% nitro are
    experiencing this phenomenon.
    So.... drink another one.... rinse and fill.

    Wayne Galligan



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