Mailing List lml@lancaironline.net Message #9601
From: John Schroeder <jschroeder@perigee.net>
Subject: Re: transition:ROP to LOP
Date: Fri, 04 May 2001 22:43:55 -0400
To: <lancair.list@olsusa.com>
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George -

A couple of questions from a couple of new Lancair Super ES (IO-550) builders.

1.  Do you think that the FADEC that will be forthcoming shortly for the IO-550
will be programmed to be as aggressive and allow running LOP for this normally
aspirated engine?

2. So far the discussion seems to be centered on engines that appear to be
mostly sparked by mags. How would an electronic ignition, such as Klaus
Savier's, improve the operation and affect horsepower & efficiency? This
question is directed at a normally aspirated IO-550 to be installed on the ES.

3. Would a combination of some kind of electronic/computer directed fuel
injection with the electronic ignition improve the performance of this IO-550?
The folks at the small engine research program at U of Wisconsin have been
studying this and are hopeful that the engine manufacturers will see some wisdom
of it.

Many thanks for the solid and wonderfully clear explanations of a very complex
subject. You have certainly injected a good basis and framework for discussion.
Glad you signed on!

John Schroeder & Ron Szot


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