[rebel-builders] Auto / Mo Gas
Posted: Sun Feb 19, 2012 4:31 pm
In the past much discussion about alternate fuels has been an issue on
this web page. Perhaps the following will help in the decision to use /
or not - Auto Fuel. Please note the statements on alcohol.
Excerpt from AOPA Online
September 2006 Volume 49 / Number 9
Facing Down Fuel Costs
How to ease the high price of avgas
By PETER A. BEDELL
Autogas STCs. For some time autogas, or "mogas," has been successfully
used as an alternative fuel for airplanes powered by low-compression
engines via the approval of a supplemental type certificate (STC).
Autogas can be obtained for a fraction of the cost of avgas, but its use
is not without controversy. Since the STCs were obtained for a number of
airplanes to use autogas, the formulation of the fuel has changed - a
lot. Today, there are higher concentrations of alcohol (ethanol) in
automotive fuels that are detrimental to rubber parts of an airplane's
fuel system (such as fuel cells, gaskets, and O-rings). In addition,
neither of the STCs (available through the Experimental Aircraft
Association [EAA] and Petersen Aviation) approves the use of autogas
spiked with alcohol, and it is becoming harder to find the untainted
gas. No longer can you fill up a 5-gallon can at the local gas station
and dump it into your airplane. AirNav lists 199 FBOs that carry mogas
that should be untainted. There also are test kits available from EAA
and Petersen that allow users to test whether the fuel is spiked.
Although the potential to save a lot of money lies in the use of
autogas, the downsides should be carefully researched.
Dick Wampach SR108
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this web page. Perhaps the following will help in the decision to use /
or not - Auto Fuel. Please note the statements on alcohol.
Excerpt from AOPA Online
September 2006 Volume 49 / Number 9
Facing Down Fuel Costs
How to ease the high price of avgas
By PETER A. BEDELL
Autogas STCs. For some time autogas, or "mogas," has been successfully
used as an alternative fuel for airplanes powered by low-compression
engines via the approval of a supplemental type certificate (STC).
Autogas can be obtained for a fraction of the cost of avgas, but its use
is not without controversy. Since the STCs were obtained for a number of
airplanes to use autogas, the formulation of the fuel has changed - a
lot. Today, there are higher concentrations of alcohol (ethanol) in
automotive fuels that are detrimental to rubber parts of an airplane's
fuel system (such as fuel cells, gaskets, and O-rings). In addition,
neither of the STCs (available through the Experimental Aircraft
Association [EAA] and Petersen Aviation) approves the use of autogas
spiked with alcohol, and it is becoming harder to find the untainted
gas. No longer can you fill up a 5-gallon can at the local gas station
and dump it into your airplane. AirNav lists 199 FBOs that carry mogas
that should be untainted. There also are test kits available from EAA
and Petersen that allow users to test whether the fuel is spiked.
Although the potential to save a lot of money lies in the use of
autogas, the downsides should be carefully researched.
Dick Wampach SR108
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List archives located at: https://mail.dcsol.com/login
username "rebel" password "builder"
Unsubscribe: rebel-builders-unsubscribe@dcsol.com
List administrator: mike.davis@dcsol.com
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