Test Your Local Gas for Ethanol - Fuelly Forums

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Old 01-15-2008, 05:48 AM   #1
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Test Your Local Gas for Ethanol

http://www.aviationfuel.org/faqs/alc....asp#TopOfPage

As some of you may know, most general aviation airplanes use 100LL aviation fuel, but with the rising costs of gas, more and more people are turning to mogas (regular pump gasoline). While this is a great avenue, ethanol causes problems for aircraft, so the EAA has come up with a way to test your local fuels for ethanol. I thought this just may be handy for those wanting to avoid putting ethanol fuels into their cars.

The tests specifies to use a 1000 mL container, but people I know are using only 100 mL containers in the essence of trying not to waste too much fuel.

Also, there is a small gadget that can be had from ACS to test % ethanol in gasoline:

http://aircraftspruce.com/catalog/ap...oholTester.php
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Old 01-15-2008, 08:33 AM   #2
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Does the FAA allow mogas? That's a big risk when you aren't able to just "pull off the road" when you have an engine problem.
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Old 01-15-2008, 08:43 AM   #3
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Wow- thanks. I like that it is such a simple test.
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Old 01-15-2008, 09:27 AM   #4
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while this wouldn't tell the percentage, it seems like a logical way to see if your pump gas has ethanol in it. check this out:

http://autofuelstc.com/autofuelstc/pa/ethanoltest.html
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Old 01-15-2008, 09:30 AM   #5
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even more detailed self testing:

http://www.continuouswave.com/whaler...hanolTest.html
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Old 01-15-2008, 09:48 AM   #6
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Quote:
Originally Posted by SD26 View Post
Does the FAA allow mogas? That's a big risk when you aren't able to just "pull off the road" when you have an engine problem.
I think some certified airplane engines can get STC's to allow them to burn mogas. With my airplane being experimental, I can do what I want.
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