Mailing List flyrotary@lancaironline.net Message #13980
From: Russell Duffy <13brv3@bellsouth.net>
Subject: Ellison vs EFI
Date: Thu, 16 Dec 2004 10:02:00 -0600
To: Flyrotary List <flyrotary@lancaironline.net>
Message
Greetings,
 
As I ponder what I might do differently "next time", I have to wonder if I might not consider an Ellison throttle body rather than EFI.  I had one of these on my RV-8, and it worked beautifully.  It's simple, reliable, had great throttle response, and good mixture control.  It also only requires 5-6 psi of fuel pressure, and no return line (usually).  The downside is the cost, which is about $1650 for the EFS-4-5. 
 
I don't personally care for traditional carbs, and the Ellison is certainly not a traditional carb.  As well as it atomizes fuel, and as controllable as the mixture is, I can't see why it wouldn't produce as much power as the EFI system. 
 
Has anyone tried one of these on a rotary?  Any thoughts on the subject?
 
Cheers,
Rusty (getting nervous about high pressure fluids that burn)
 
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