Mailing List lml@lancaironline.net Message #28791
From: <Sky2high@aol.com>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Walter - Target EGT query
Date: Thu, 10 Mar 2005 19:51:24 -0500
To: <lml@lancaironline.net>
Walter A,
 
OK, On a cold day (1C) with the Baro at 29.93" and an airport elevation of 700 MSL, I begin my takeoff roll slowly applying full throttle because of the strong P-factor and all the other left turning tendencies in my motorized lawn dart. 
 
Say about 1000 feet down the runway, WOT, at close to 80 KIAS I see 1290F on cyl#4 EGT.
 
Rotate, shallow climb, gear up, flaps up and accelerating (about 110 KIAS) I see #4 EGT at 1310F.
 
About 1400 MSL, in a stabilized climb at 140 KIAS I now see 1330F on #4 EGT.
 
In cruise at about 6500 MSL, #4 EGT would peak at about 1420-1430F.
 
I will not be at sea level for quite some time, however I have seen 29.9 MAP as I accelerate to climb speed. Generally, my #4 target EGT is (and has been) 1290F.
 
1. Is that a good target or am I being to conservative?
 
2.  If I wanted to use 1310F as the target, is there some a correction I should make to normalize the EGT to a sea-level value?
 
3.  Am I being to anal? - Wait, don't answer that........
 
Once again, thanks for Power Pointing to the sample pp presentation.
 
Scott Krueger AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

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