Mailing List flyrotary@lancaironline.net Message #44023
From: Bill Schertz <wschertz@comcast.net>
Subject: Question on EM-2 autotune
Date: Wed, 1 Oct 2008 21:25:22 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Question for those operating a EC-2/EM-2 combination that have used track mode and autotune.
 
According to my manual, to go into TRACK mode,
1. set mode 0 on EC2
2. Select EC2 MA{P table mode on EM2 (hold abort and pres ACK) (this works)
3. Select TRACK mode (Hold UP button (1) and press DOWN (2),
 
Verify that EM2 MAP is tracking engine  -- This is where I have a question. From my reading of the manual,
LINE 1  and 2 show the MAP location being edited,
and in Track Mode,
Line 3 and 4 show the actual location the engine is running at.
 
My question is that line 1 and 3 show the same value, I.e. the same location in the MAP table, but lines 2 and 4 are showing different values for the manifold pressure. For example,
 
MAP location 9 showed 14.5 on the line 2, and 16.0 on line 4.
 
This makes me wonder whether the Track mode is operating correctly.
 
Any comments from those who have used this feature?
Bill Schertz
KIS Cruiser #4045
N343BS
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