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From: Walter Atkinson <walter@advancedpilot.com>
Subject: Re: [LML] Re: ECI "Titan" Cylinders
X-Original-Date: Thu, 19 May 2005 12:25:29 -0500
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Yes, this is the change in air temp as it leaves the manifold and is=20
heated by the intake chamber as it is going into the cylinder.  Kinda=20
tough to measure on the fly. <g>  I don't have an air temp gauge right=20=

next to the intake valve.

Walter


On May 19, 2005, at 11:58 AM, Craig Berland wrote:

> Consider that cylinders that run 50d cooler - - can make more=20
> horsepower
> than the cylinders running 50d hotter.=A0=A0
> Better volumetric efficiency. George=A0
And the measure of that would be?????????=A0 Scott
=A0
The measure is "manifold air temperature".=A0 If the manifold air temp =
is=20
lowered 50 deg F, then the power would increase 5.8%.=A0 That is of=20
course if the proper A/F is maintained.=A0 I believe there are to many=20=

variables to predict what a 50 deg cylinder temp drop would do to the=20
manifold air temp.
Craig Berland
=A0
=A0
=A0=

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Yes, this is the change in air temp as it leaves the manifold and is
heated by the intake chamber as it is going into the cylinder.  Kinda
tough to measure on the fly. <<g>  I don't have an air temp gauge
right next to the intake valve.


Walter



On May 19, 2005, at 11:58 AM, Craig Berland wrote:


<excerpt><fontfamily><param>Arial</param><smaller>Consider that
cylinders that run 50d cooler - - can make more =
horsepower</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>than the cylinders running
50d hotter.=A0=A0</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>Better volumetric efficiency.
George=A0</smaller></fontfamily>

</excerpt><fontfamily><param>Arial</param><smaller>And the measure of
that would be?????????=A0 Scott</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>=A0</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>The measure is "manifold air
temperature".=A0 If the manifold air temp is lowered 50 deg F, then the
power would increase 5.8%.=A0 That is of course if the proper A/F is
maintained.=A0 I believe there are to many variables to predict what a
50 deg cylinder temp drop would do to the manifold air =
temp.</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>Craig =
Berland</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>=A0</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>=A0</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>=A0</smaller></fontfamily>=

--Apple-Mail-9-777376378--