[NSRCA-discussion] SODA BOTTLE FUEL TANK

[jivey61 at bellsouth.net]

Buddy
 Ya don't weigh it with full tank,besides that the 160DZ has gobs of power

Jim Ivey
  ----- Original Message ----- 
  From: BUDDYonRC at aol.com 
  To: nsrca-discussion at lists.nsrca.org 
  Sent: Thursday, February 16, 2006 9:54 AM
  Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK


  In a message dated 2/15/2006 8:35:48 PM Central Standard Time, jivey61 at bellsouth.net writes:
    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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  Wow Jim
  That's almost a pound of fuel the airplane must be a light weight.
  Buddy


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