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Date: Mon, 06 Dec 2004 10:17:51 -0500
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
From: Joseph M Berki <Joseph.M.Berki@grc.nasa.gov>
Subject: ECU oxygen sensor
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I have been looking at various ECUs trying to understand how they 
work.  How does an ECU that uses an oxygen sensor for mixture control fair 
when 100LL is used?  Does the mixture control in Tracy's unit replace the 
oxygen sensor?  Thanks for any help.

  Joe  Berki
Limo EZ