REFLECTOR: Mogas

Velocity velocityxl at fastmail.fm
Fri Jul 5 21:06:26 CDT 2013


So  using the right rubber we should have no problems?

On 7/5/2013 7:28 PM, Robert Wood wrote:
> Some of the rubber in our systems can not take ethanol. It melts them. 
> Modern cars do not use this product.
>
> Bob Wood
>
> Sent from my iPad
>
> 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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