Mailing Lijst flyrotary@lancaironline.net Bericht #55107
Van: Ed Anderson <eanderson@carolina.rr.com>
Onderwerp: Taking hint from Jeff.
Datum: Wed, 18 May 2011 09:45:52 -0400
Aan: Rotary motors in aircraft <flyrotary@lancaironline.net>
 
Hi Brian,
 
Taking a hint from Jeff's plotting, here is a plot of your (green) and my (red/orange) fuel maps with mine adjusted to your reference.  This points out as Jeff has also indicated you are considerably richer than I am from approx bin # 80 and higher.  Now because you have a smaller primary you may need higher values in your fuel map - I suspect.  As Jeff astuely pointed out the very steep increase around bin #84 just does not seem  justified.  However, your air/fuel ratio indicator can provide you a much better indication of what your engine has/wants in those regions.  I suspect you would see your air/fuel ratio to the rich side in that region
 
 
When I fly my cruise sweet spot has me operating between bins 80 and 90 where as you can see I am pretty lean. 
 
Ed
 
Edward L. Anderson
Anderson Electronic Enterprises LLC
305 Reefton Road
Weddington, NC 28104
http://www.andersonee.com
http://www.eicommander.com
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