[f-AA] Auto-gas STC

[Markl]

Many states including mine have gone to ethanol in all gas so that ends the "auto gas" flying.  Before that I have done many years with no problems.  Interestingly enough the EAA has managed to have Wisconsin 80 octane expemted from ethanol.  Too bad they could not do this for the Non Wisconsin members.

Fly frequently, many times, often, over and over again, and LOOK around,

Regards,
Tony Markl
  ----- Original Message ----- 
  From: Ronald Griffith, Jr. 
  To: aeronca at westmont.edu 
  Sent: Friday, December 01, 2006 11:35 AM
  Subject: Re: [f-AA] Auto-gas STC


  Yes, the STC requires the fuel to be free of alcohol.  You can get all 
  the tech data on the STC and how to test for alcohol from the EAA 
  website.  I also recommend ordering a vapor-pressure guage from 
  Petersen.  If you check for alcohol and check the vapor pressure before 
  you fly, autogas works well.  I don't recommend it if your airplane sits 
  for long periods of time between flights.  I don't like to keep autogas 
  longer than 3 months but that is a personal preference.  We used it 
  successfully in our 172.  However, it has become too much trouble to 
  test gas from 5 different stations to find one without alcohol.  I've 
  gone back to 100LL due to this problem.  We asked each station if they 
  had alcohol.  All said NO.  4 out of 5 samples showed alcohol when we 
  tested.  I don't guess we should expect the person at the register to 
  know much about fuel composition anyway.  Ron

  Dwayne.Lafave at k12.sd.us wrote:

  >How common is the use of auto gas in a 7AC?
  >Any pitfalls one needs to be aware or if using auto gas?
  >I know not to use ethanol, but have heard some concerns about lesser
  >amounts of alcohol being added to gas without having to be labeled.
  >Would there b potential problems with that?
  >
  >
  >Dwayne J. LaFave
  >
  >605-854-3151 (H)
  >605-860-1650 (C)
  >
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  >  
  >



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