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From: Walter Atkinson <walter@advancedpilot.com>
Subject: Re: [LML] CHT's
X-Original-Date: Sat, 22 Apr 2006 23:09:30 -0500
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That view is contrary to the known and appreciated science.

Once one has seen the temperature-strength curve that was presented to=20=

the APS class just today, one gains a rapid appreciation that keeping=20
CHTs under 380 has value where longevity concerns lie.  The strength=20
degradation is not linear.

The two biggest enemies of metal are heat and pressure.  Suggesting=20
that high heat is good is not in harmony with the science.

Walter



On Apr 22, 2006, at 9:43 PM, Dominic V Crain wrote:

 =46rom the docs and the posts on CHT control, it seems a conclusion can=20=

be drawn, having gone through some major attempts to cool the engine=20
CHT, that operating at higher power to keep CHT=92s up in the 400 degree=20=

mark makes sense.
Views please.
Dom Crain
Entering winter.

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That view is contrary to the known and appreciated science.


Once one has seen the temperature-strength curve that was presented to
the APS class just today, one gains a rapid appreciation that keeping
CHTs under 380 has value where longevity concerns lie.  The strength
degradation is not linear.


The two biggest enemies of metal are heat and pressure.  Suggesting
that high heat is good is not in harmony with the science.


Walter




On Apr 22, 2006, at 9:43 PM, Dominic V Crain wrote:


<fontfamily><param>Times New Roman</param><bigger><bigger>=46rom the
docs and the posts on CHT control, it seems a conclusion can be drawn,
having gone through some major attempts to cool the engine CHT, that
operating at higher power to keep CHT=92s up in the 400 degree mark
makes sense.</bigger></bigger></fontfamily>

<fontfamily><param>Times New Roman</param><bigger><bigger>Views =
please.</bigger></bigger></fontfamily>

<fontfamily><param>Times New Roman</param><bigger><bigger>Dom =
Crain</bigger></bigger></fontfamily>

<fontfamily><param>Times New Roman</param><bigger><bigger>Entering
winter.</bigger></bigger></fontfamily>


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