REFLECTOR: Mogas

Velocity velocityxl at fastmail.fm
Sun Jul 7 11:31:53 CDT 2013


That is just what I am saying there are so many things in pump gas it is 
hazardous  to blame one item.

On 7/7/2013 10:26 AM, John Abraham wrote:
> Ron
>
> We had a plane at the shop that the sump without Jeffco started 
> weeping and the only difference was fuel that had ethanol in it. 
> However the fuel injector cleaner they use in fuels is also an issue 
> even with Jeffco.
>
> John
>
> On Jul 6, 2013, at 10:42 PM, Velocity <velocityxl at fastmail.fm 
> <mailto:velocityxl at fastmail.fm>> wrote:
>
>> I am not trying to be combative I just have not seen any real 
>> evidence that ethanol is the culprit .
>> a lot of the stuff I have seen is mostly hear say . I even thought it 
>> was ethanol that messed up my sump tank
>> and sensor  than after some more thought and testing found it to be 
>> the fuel injector cleaner
>> I used. I know of another builders that thought that ethanol was the 
>> reason for all there woes but now
>> also blame it on the carb cleaner.  I have soaked parts in Gas from 
>> BP Mobil and Shell gas  satin gas with ethanol in them and have  not 
>> seen any  break down of the foam or fiber glass yet. Now the rubber
>> braking down because of ethanol I have zero experience and  or done 
>> any testing. For one there are so
>> many chemical makeups of rubber I would have to do a lot more testing 
>> than I care to even try.
>>
>> Now I have never flown with any thing but 100 LL and as of right now 
>> do not plan on
>> any thing but 100 LL for now. I say the jury is still out on much of 
>> the gas related
>> problems.
>>
>> My 2 Cents
>>
>> Ron
>>
>>
>> On 7/6/2013 4:18 PM, Richard J. Gentil wrote:
>>> Ethanol is very corrosive, it will freeze under certain conditions, 
>>> it can separate from the gasoline in certain conditions and make 
>>> your engine ingest pure ethanol.
>>>
>>> In my BMW motorcycle ethanol ate the seals in my fuel pump, my idle 
>>> actuator turned to a sticky gel and destroyed my fuel level sensor. 
>>> It is not something I want in my plane when my life is on the line.
>>>
>>> Richard
>>>
>>> Sent from my iPhone 5
>>>
>>> On Jul 5, 2013, at 7:37 PM, Velocity <velocityxl at fastmail.fm 
>>> <mailto:velocityxl at fastmail.fm>> wrote:
>>>
>>>> Where I see Ethanol not being good in the gas . I do not see how it 
>>>> can be blamed for so many problems
>>>> when it is used in millions of cars for so many years. And I have 
>>>> not any of these problems not showing up in any of my cars. There 
>>>> must be another common item that we are missing.
>>>>
>>>>
>>>>
>>>> Ron
>>>>
>>>>
>>>>
>>>> On 7/4/2013 12:25 AM, Kurt Winker wrote:
>>>>> Noel,
>>>>>
>>>>> There Are two easy ways that I know of.
>>>>>
>>>>> 1: get a jar (pickle, olive, etc).  Mark a line on the outside, 1" 
>>>>> up from the bottom. Fill to that line with water.
>>>>> Put fuel in to near the top, cover jar and shake.
>>>>> Set on a flat surface for 5 minutes.
>>>>> If the water level moves up from that line, or the jar stays 
>>>>> frothy or opaque, there is some Degree  of alcohol in the fuel.
>>>>> The alcohol holds the water in suspension and makes it appear 
>>>>> cloudy or as if the water level moves up.
>>>>> If It is clear and the water level is the same after that time, no 
>>>>> ethanol.
>>>>>
>>>>> The second one is even easier:  put fuel in a jar.
>>>>> Add a couple drops of water soluble food coloring to the sample.
>>>>> If the food coloring sinks to the bottom in droplets, then there 
>>>>> is no alcohol to dissolve it.
>>>>> If the sample changes color (as a whole) then there is alcohol 
>>>>> that is dissolving the coloring.
>>>>>
>>>>> Both of these are published by the EAA, and are available on their 
>>>>> site. They really work, and are mandatory in my mind. alcohol is 
>>>>> one of the nastiest solvents for rubber, sealants and coatings 
>>>>> that there is...Don't chance it! Test always.
>>>>>
>>>>> Kurt.
>>>>>
>>>>> Sent from my iPad
>>>>>
>>>>> On Jul 3, 2013, at 21:31, Gattenby <gattenby at tulsaconnect.com 
>>>>> <mailto:gattenby at tulsaconnect.com>> wrote:
>>>>> I'm
>>>>>> How do you check for ethanol ?
>>>>>>
>>>>>> Noel
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Jul 3, 2013, at 9:42 PM, Kurt Winker <nmflyer1 at aol.com 
>>>>>> <mailto:nmflyer1 at aol.com>> wrote:
>>>>>>
>>>>>>> Nowhere in there did I see where he checked to make sure it was 
>>>>>>> ethanol free! Damn big mistake. I have been running "clean" 
>>>>>>> MoGas in the Cherokee 235 and the cub. Never a problem...but I 
>>>>>>> check EVERY batch before I put it in an airplane. I have had 
>>>>>>> stations say was no ethanol, only to find it in there...I have 
>>>>>>> also had stations that were previously clean, find out they got 
>>>>>>> a load with Ethanol in it....
>>>>>>> I have also had this fuel in the Velocity tanks for some time 
>>>>>>> with no problems..
>>>>>>>
>>>>>>> Kurt...
>>>>>>>
>>>>>>> Sent from my iPad
>>>>>>>
>>>>>>> On Jul 3, 2013, at 15:40, "dennis.doc" <dennis.doc at gmail.com 
>>>>>>> <mailto:dennis.doc at gmail.com>> wrote:
>>>>>>>
>>>>>>>> Anyone had this happen? Let us know your experience. I've only 
>>>>>>>> used LL100 for taxi or flying. (Also, mogas not good for our 
>>>>>>>> tanks).Using only Mogas, this guy's fuel lines got a bad case 
>>>>>>>> of asthma. From Sonex builder:
>>>>>>>>
>>>>>>>> Dennis Martin
>>>>>>>> 173 FGE Chevy V-6
>>>>>>>>
>>>>>>>>
>>>>>>>>     2a
>>>>>>>>
>>>>>>>>
>>>>>>>>     Autopsy on fuel line
>>>>>>>>     <http://groups.yahoo.com/group/sonextalk/message/79565;_ylc=X3oDMTJycG9udDYxBF9TAzk3MzU5NzE1BGdycElkAzczNzkxNDAEZ3Jwc3BJZAMxNzA1Nzg2MDgzBG1zZ0lkAzc5NTY1BHNlYwNkbXNnBHNsawN2bXNnBHN0aW1lAzEzNzI4MTk0MjM->
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>         Tue Jul 2, 2013 7:24 pm (PDT) . Posted by:
>>>>>>>>
>>>>>>>>
>>>>>>>>       "sonex541" sonex541
>>>>>>>>       <mailto:sonex541 at yahoo.com?subject=Re%3A%20Autopsy%20on%20fuel%20line>
>>>>>>>>
>>>>>>>>
>>>>>>>> Well after a long process of trying to figure out my problem , 
>>>>>>>> I took the fittings of each end , I'm convinced the auto fuel 
>>>>>>>> caused this problem , this plane has run 100 ll it's whole life 
>>>>>>>> , I wanted to run it a few months ago and went to my local 
>>>>>>>> brand name gas station and bought 6 gallons of fuel , I wasn't 
>>>>>>>> goin to fly with this fuel but just to run it every week or so 
>>>>>>>> during the winter months and get some heat and oil flowing , 
>>>>>>>> then when I would start flying It , i would drain it and put 
>>>>>>>> 100ll , from the fuel sitting in the fuel line it swelled the 
>>>>>>>> rubber inside the braided stainless hose , down to Probably 1/8 
>>>>>>>> of an inch cutting of my fuel flow to the carb , causing the 2 
>>>>>>>> gph fuel flow , . , it's amazing how much it swelled it up , 
>>>>>>>> especially closer to the ends were the fittings were threaded 
>>>>>>>> in , I cut hose in half and it's Probably down to 1/4th 
>>>>>>>> original diameter inside of that ,
>>>>>>>> So cheap auto gas has caused me hours of grief and work , so me 
>>>>>>>> personally will never put that in any of my planes , ever
>>>>>>>> again!!!
>>>>>>>> Adam Simmons
>>>>>>>> Sonex 541
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>
>
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