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Date: Tue, 21 Jun 2005 16:30:39 -0400
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From: Walter Atkinson <walter@advancedpilot.com>
Subject: Re: [LML] Re: Induction air filter

The problem is far less intense in the NA engine, but it should not be 
discounted.

Walter


On Jun 21, 2005, at 10:27 AM, Marvin Kaye wrote:

Posted for John Huft <aflyer@lazy8.net>:

  Walter, I appreciate your concern. Of course, I have no way to measure 
the
ICPs. I simply follow Lycon's advice (they built the engine) to run at 
least
150 degrees rich of peak at high power.
   All, I am not advocating this system for your turbo engines. The 
original
question came from a 320 builder, whom I assumed was naturally 
aspirated. When
I race, I just use the filter (valve closed) for the taxi phase, in the 
dusty
conditions at the big fly in, and when the starter is counting down, I 
open
the valve for takeoff.
   Even if you always do this to address the concern of high temp intake 
air
causing detonation, you would still enjoy filtered air when taxiing, and
waiting in line at Copperstate, and automatic alternate air at all 
times.
   I had no idea I was opening such a can of worms with my original 
post. Back
to lurk mode.
   John

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