REFLECTOR: EZ poxy & ethanol

[Velocity]

I had a very similar experience with pump gas. Melted my optical sump sensor 
and pealed the jefco  in the sump. I could not tell you if it was the 
Ethanol because they put so much crap in our gas 
here in Chicago. But some thing in the gas station pump gas 
is not good for our tanks. 
The epoxy was not effected by the gas just the jefco pealed. Makes me question the Jeffco

Ron
  ----- Original Message ----- 
  From: Alex Balic 
  To: 'Velocity Aircraft Owners and Builders list' 
  Sent: Friday, June 03, 2011 11:38 AM
  Subject: Re: REFLECTOR: EZ poxy & ethanol


  I had a similar problem as Chris- although I did not put any mogas in my mains, I had my sump filled with 89 pump gas for engine testing, and after about 6 months, I noticed gas weeping from the bottom- so I  pulled it and the Jeffco had become soft and pasty- not sure what happened there, I re-built the sump using a new batch of Jeffco, but have been running on 100ll since just to make sure there is no problem... I will try the auto fuel again at some point.

   


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  From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Laurence Coen
  Sent: Friday, June 03, 2011 11:16 AM
  To: Velocity Aircraft Owners and Builders list
  Subject: Re: REFLECTOR: EZ poxy & ethanol

   

  Peter,

   

  You are not the first to warn people about EZ poxy and ethanol and I doubt that you will be the last.  I refer you to Al Gietzens' email where he has 6 years experiences with ethanol containing fuel in his EZ poxy tanks without a problem.  I personally tested a strip sealed in a container with denatured alcohol with no apparent effect after 6 months. Despite all the warnings, I have never seen or herd of any documented evidence that would indicate that EZ poxy is adversely affected by ethanol containing fuel.  If you have a reference, please share it with the group.

   

  Larry Coen

  N136LC

   

  From: Peter Braswell 

  Sent: Friday, June 03, 2011 10:26 AM

  To: Velocity Aircraft Owners and Builders list 

  Subject: Re: REFLECTOR: Fuel Tank Questions

   

  Mark, 

  That almost certainly sounds like the EZ poxy that ships with the kit and NOT Jeffco (the really good stuff).  

   

  My understanding is that the EZ poxy holds up just fine with aviation fuel but I'd be VERY hesitant to use it in conjunction with fuel containing ethanol.

   

  I may have missed, but are you flying an auto conversion?

   

  Peter


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  On Fri, Jun 3, 2011 at 11:07 AM, Markinchampions <markinchampions at gmail.com> wrote:

  It appears as a dark brownish red color. 

  Sent from my iPod.


  On Jun 3, 2011, at 10:21 AM, "Al Gietzen" <ALVentures at cox.net> wrote:

    I don't know what was used. I didn't build it and I'm not that familiar with fiberglass. 

     

    EZ-poxy is the epoxy system that Velocity sent with the kits; and is most likely what was used.  Shine a light in the tank - should be a yellow/brown/gold color if EZ-poxy, gray if Jeffco.

     

    Al

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