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Date: Fri, 13 May 2011 16:00:30 -0400
From: Ernest Christley <echristley@att.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: 100LL in California
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Mark Steitle wrote:
> Well, if you don't blow yourself up in the process, you will now have 
> low octane gas for about $4.50/gallon.  Then you'll need a method to 
> transport it to the airport, then pump/pour it into your fuel tanks, 
> again without blowing yourself up.  From a risk-analysis perspective, it 
> doesn't wash (pun intended).  I just don't see the benefit here.  It 
> would almost be easier to fly to Oklahoma whenever I needed fuel for the 
> airplane.


Dang!  That hamburger just got a lot more expensive!!


> 
> Mark  
> 
> On Fri, May 13, 2011 at 9:42 AM, Ernest Christley <echristley@att.net 
> <mailto:echristley@att.net>> wrote:
> 
>     Bill Schertz wrote:
> 
>         Charlie is right, you can extract the ethanol with water. Best
>         practice would be multiple small washings to reduce it to a
>         negligible level, but octane would suffer. Also, your price of
>         auto fuel just went up, because you are sending some down the drain.
> 
>         Basically there is a partition coefficient for alcohol between
>         gasoline and water.  Each time you add water, x% moves to the water.
> 
> 
>     Thanks, Bill.  That chemistry class in college was a LONG time ago
>     for me.
> 
>     So, how long will it be before someone starts selling a system that
>     allows you to put contaminated gasoline in one end, have it add
>     water and then centrifugally separate it, let the clean gasoline go
>     out the other end, and distill the water to reuse it?  The ethanol
>     would drive the distillation, and the left-over could be mailed to
>     the stupid politicians and lobbiest that keep adulterating our
>     gasoline.  ("Here!  You like it so much, you can have it!")
> 
> 
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