Mailing List flyrotary@lancaironline.net Message #16988
From: Tracy Crook <lors01@msn.com>
Subject: Re: [FlyRotary] Re: Heating the Fuel
Date: Fri, 11 Feb 2005 16:32:37 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>, <Dastaten@earthlink.net>

At some temperature this would be true.  But,  we still don't know what that temperature is.  It has been noted that some components are volatile at temps as low as 70 deg F.   If this is a real world number, you could not let the plane sit on a ramp in Florida without pressurizing your tank.  Or it might be that this is a trace component that does not matter if it boils off.  
 
Obviously there is some temperature X that is acceptable.  I just want to know what it is.   
 
Also keep in mind that steam (even gasoline steam) INSTANTLY condenses when its temperature falls below boiling point.  This is what keeps it from being lost from the tank vent.  At least that is what I assume based on my limited gas theory understanding.  This idea may be DOA but I want to know the cause of death : )
 
Tracy 
 
 
Tracy.. if you want to "boil" your fuel to use as a coolant source, you need to pressurize the system/plug the vent to prevent the loss of volatile portions of the gasoline in its vapor state. Your "wet wing" would become a pressure vessel at that point.  > SNIP<
Dave
 
 
 
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