Don't know if it is appropriate for aviation use, but the gummy brown
crap can be minimized by the appropriate fuel treatment. I use heet (for
auto fuels with ethanol), Stabil for my yard equipment, and Sea Foam for
anything that is going to see minimal use over time. Usually use all
three depending on what I am planning on doing with the equipment.
Almost all of the fuels that I have access to have ethanol.
Took the 'Vette out today with the same gas that I put in it in June...
no issues. Started the Harley with the Premium gas with ethanol I put in
it last November... started with no issues and ran fine. If the VA
medicos are nice to me, I might actually get to start using them like
they were intended to be used.
Mark W
On 9/30/2022 5:56 PM, Flesner via KRnet wrote:
On 9/30/2022 5:22 PM, MS wrote:
/
/
If only I could be king I would straighten these unfortunate
situations out . . ./Emoji./
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Train wreck !!!! Train wreck !!! Looks like my original post has
gone off the rails a bit. My PRIMARY CONCERN is what alcohol does /
will do to my fiberglass tanks and any other untested component in my
fuel system. My fuel system, as well as most, is a series system of
components and the failure of any one component is a 100% failure of
the system. Aircraft approved for auto fuel use are approved for
"alcohol free" fuel. I have no way of knowing how the dozens of
seals, gaskets, fuel lines, pumps, shutoff valves, etc. designed for
use with my 80 year old engine technology will react with alcohol and
I don't intend to take it to 5000 feet to test it. I was simply
looking for an option, if it is do-able and convenient, to the price
of 100LL with it being a well proven fuel. I don't want to duplicate
what a friend did years ago with his big Stinson Gullwing when he used
the wrong brake fluid and it caused some "O" rings to swell and locked
up his brakes. Fortunately the issue developed on the ground.
My other concern with auto fuel is when left in the carb for extended
periods the gas evaporates and leaves a highly contaminating gummy
brown crap. Ever wonder why you mower runs like crap the first time
in the spring. I assume it flushes out with fresh fuel but there are
times when the carb needs to be removed and cleaned to work again.
I'll stick with 100LL if I can't find a reliable / cheaper alternative.
Larry Flesner
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