Mailing List flyrotary@lancaironline.net Message #26400
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: Alternative fuel
Date: Tue, 6 Sep 2005 17:54:24 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
A gallon of ethanol has an energy content of 83,333 BTU.  A gallon of gasoline has 123,222 BTU of energy  (varies a bit by octane).  So gasoline has an approx 48 % advantage in energy.  So assuming an engine was equally efficient on either fuel (which as you point out they are not likely to be), you could produce more power and fly further|Faster on gallon of gasoline than a gallon of ehtanol.   
 
Hi Ed,
 
I officially predict that you'll go looking for Saab info right after you read this:
 
This isn't going to be another one of those MAP things is it :-)   
 
Cheers,
Rusty (stirring up trouble again)
 
 
 
 
  
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