Coke Bottle Fuel Tank

[Keith Black]

I'm using a water bottle, no noticeable shrinkage as of yet, but then again I only have about 20 flights on it.

15% Magnum.

Keith Black
  ----- Original Message ----- 
  From: Gray E Fowler 
  To: discussion at nsrca.org 
  Sent: Thursday, July 28, 2005 8:09 AM
  Subject: Re: Re: Coke Bottle Fuel Tank



  Concerning this bottle tank deal.  Need more info....Those who are doing it.....If you have seen shrinkage or not -are you using a soda bottle or a water bottle? 
  There are different plastics and formulas. Water of course having little to no taste is much more susceptible to flavor damage than soda therefore may have a non plasticized plastic. 



  Gray Fowler
  Principal Chemical Engineer
  Composites Engineering 


        Jim Ivey <jivey61 at bellsouth.net> 
        Sent by: discussion-request at nsrca.org 
        07/27/2005 09:51 PM Please respond to
              discussion at nsrca.org 


       To <discussion at nsrca.org>  
              cc  
              Subject Re: Re: Coke Bottle Fuel Tank 

              

       



  Lance
  So you are trying to say the plasticizer is kinda like putting alum on your lips. It is shrinking(puckering ) the tank but causing no harm. If you didnt read my post,my 2 tanks are now 1/2 inch shorter and smaller in diameter than a bottle of coke.I expect the bottles are less than 16 oz instead of 20 oz now.
  Guess we are still learning.
  Good to talk to you at the Nats.
  Jim Ivey
  > 
  > From: "Lance Van Nostrand" <patterndude at comcast.net>
  > Date: 2005/07/27 Wed PM 10:19:00 EDT
  > To: <discussion at nsrca.org>
  > Subject: Re: Re: Coke Bottle Fuel Tank
  > 
  > I don't have Gray's post but I don't think he said you'd get deposits. The 
  > plasticizer, as I remember it, is mixing with the fuel.  It may just burn up 
  > and have no real effect.  it may cause problems.  The effect of mixing this 
  > chemical with fuel was not definitively predicted. For all we know it 
  > smooths the idle, improves the midrange, gives more power and prolongs 
  > bearing life by coating them with a rust resistant film.  I'm hoping anyway.
  > --Lance
  > ----- Original Message ----- 
  > From: "brett terry" <brett.terry at gmail.com>
  > To: <discussion at nsrca.org>
  > Sent: Wednesday, July 27, 2005 7:06 AM
  > Subject: Re: Re: Coke Bottle Fuel Tank
  > 
  > 
  > Has Gray ever been wrong on any topic involving chemicals?  Just a thought.
  > 
  > Brett
  > 
  > On 7/26/05, wgalligan <wgalligan at cnbcom.net> wrote:
  > >  I just hope
  > > what Gray said about the chemicals forming deposits in the engine isnt 
  > > true.
  > > Time will tell.
  > >
  > > Wayne
  > >
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