REFLECTOR: Auto fuel

[David Bertram]

I have been using auto fuel with ethanol since 2003.  So far no problems but
I appreciate the information and will keep it handy.
Dave Bertram
N350TX 
 
 
 
 
-------Original Message-------
 
From: Mike Dawson
Date: 3/16/2012 11:37:43 AM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Auto fuel
 
To all who use Auto fuel,
Here is Bill Mulrooney's response to my brother's inquiry of his auto fuel /
mogas experience.
For those who do not know, Bill and his partner built a Velocity with a 427
V8...N427VA....it boogies!



Hi Bill,
"Sorry to hear your having issues also.  I live in West Bloomfield Michigan.
I'd be happy to talk to you about your problems and what I've learned from
my problems.  Alcohol isn't the problem, it's the fuel injector cleaners
that they started adding 9 months ago.  It is such a small molecule it
literally slips threw the Jeffco coating in the tanks.  Our tanks look
perfect inside but the fittings in the sump tank and the foam in the stakes
just took a shit on us!  I'm still pretty sick about it!  I'm going to make
the sump tank out of aluminum and were removing the outer glass skins and
foam and adding another coat of Jeffco to the outside of the inner skin
followed by 8 to 10 layers of bid.  Then foam and then the outer layer of
glass again.  The wheel wells are about 1/8 " of glass and they look perfect
still.  Our plane has had auto fuel in it since 2004 with no problem till
August 2012.  The vapor build up between the inner and outer glass and then
popped the glass loose around the fuel fillers on both sides.  That was just
after Oshkosh 2011.  Then the foam started to sink in on the glass.  Then we
stopped flying it. "

Bill Mulrooney



I stopped by my non branded Commercial Fuel Network outlet yesterday and
this is what I learned. While there is no Ethanol in their fuel they service
several stations. IE Chevron, 76, Mobil, Shell etc. Fuel received from the
refinery contains the additives for that company's fuel. Consequently the
fuel they sell to me , as non branded with no Ethanol, contains different
additives or blends of additives from each company. They guarantee no
Ethanol but any combination of additives after that are anyone's guess. So
Kurt et al take heed. I'll be using 100LL for now!
Mike Dawson

 
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