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Subject: Re: [LML] EGT/TIT Calibration
From: Mark Steitle <msteitle@gmail.com>
X-Original-To: Lancair Mailing List <lml@lancaironline.net>
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Hi Giff,

For my rotary, which has higher EGT's than your typical ICE, I used a
propane torch directly on the EGT probes.  You can reference the chart
below for exact temps of the various gasses.

Mark

The flame temperatures for some common fuel gases can be found in the table
below:
Fuel GasCombustion with Oxygen
(*oC*)Combustion with Air
(*oC*)Acetylene3,1002,400Butane1,970Carbon Monoxide2,121Ethane1,960Hydrogen
2,6602,045MAPP1)2,980 Methane2,8101,957Natural Gas2,770
Propane2,8201,980Propane
Butane Mix 1,970Propylene2,870


On Wed, May 15, 2013 at 2:51 PM, Giffen Marr <gamarr@charter.net> wrote:

> How do you verify your EGT Calibration when setting up your system? Mine
> seem to be running very high and do not match what was recorded during my
> engine cell runs.
> Giff Marr
> LIV-P 229GM
> --
> For archives and unsub
> http://mail.lancaironline.net:81/lists/lml/List.html
>

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<div dir=3D"ltr">Hi Giff,=A0<div><br></div><div style>For my rotary, which =
has higher EGT&#39;s than your typical ICE, I used a propane torch directly=
 on the EGT probes. =A0You can reference the chart below for exact temps of=
 the various gasses. =A0</div>
<div style><br></div><div style>Mark</div><div style><br></div><div style><=
p style=3D"padding:0px;color:rgb(0,0,0);font-family:&#39;bitstream vera san=
s&#39;,sans-serif;font-size:14px">The flame temperatures for some common fu=
el gases can be found in the table below:</p>
<div class=3D"" style=3D"padding:0px;text-align:center;color:rgb(0,0,0);fon=
t-family:&#39;bitstream vera sans&#39;,sans-serif;font-size:14px"><table cl=
ass=3D"" style=3D"padding:0px;width:502px;font-size:1em;margin:15px auto 10=
px;border:2px solid rgb(192,192,192);border-collapse:collapse">
<thead style=3D"padding:0px;background-color:rgb(255,255,204)"><tr style=3D=
"padding:0px"><td style=3D"padding:2px;border:1px solid rgb(204,204,204);wi=
dth:162px">Fuel Gas</td><td style=3D"padding:2px;border:1px solid rgb(204,2=
04,204);width:162px">
Combustion with Oxygen=A0<br style=3D"padding:0px">(<i style=3D"padding:0px=
"><sup style=3D"padding:0px">o</sup>C</i>)</td><td style=3D"padding:2px;bor=
der:1px solid rgb(204,204,204);width:162px">Combustion with Air=A0<br style=
=3D"padding:0px">
(<i style=3D"padding:0px"><sup style=3D"padding:0px">o</sup>C</i>)</td></tr=
></thead><tbody style=3D"padding:0px"><tr style=3D"padding:0px"><td style=
=3D"padding:2px;border:1px solid rgb(204,204,204)">Acetylene</td><td style=
=3D"padding:2px;border:1px solid rgb(204,204,204)">
3,100</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">2,400=
</td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px sol=
id rgb(204,204,204)">Butane</td><td style=3D"padding:2px;border:1px solid r=
gb(204,204,204)">
</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">1,970</td>=
</tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px solid rg=
b(204,204,204)">Carbon Monoxide</td><td style=3D"padding:2px;border:1px sol=
id rgb(204,204,204)">
</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">2,121</td>=
</tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px solid rg=
b(204,204,204)">Ethane</td><td style=3D"padding:2px;border:1px solid rgb(20=
4,204,204)">
</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">1,960</td>=
</tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px solid rg=
b(204,204,204)">Hydrogen</td><td style=3D"padding:2px;border:1px solid rgb(=
204,204,204)">
2,660</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">2,045=
</td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px sol=
id rgb(204,204,204)">MAPP<sup style=3D"padding:0px">1)</sup></td><td style=
=3D"padding:2px;border:1px solid rgb(204,204,204)">
2,980</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">=A0</=
td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px solid=
 rgb(204,204,204)">Methane</td><td style=3D"padding:2px;border:1px solid rg=
b(204,204,204)">
2,810</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">1,957=
</td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px sol=
id rgb(204,204,204)">Natural Gas</td><td style=3D"padding:2px;border:1px so=
lid rgb(204,204,204)">
2,770</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">=A0</=
td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px solid=
 rgb(204,204,204)">Propane</td><td style=3D"padding:2px;border:1px solid rg=
b(204,204,204)">
2,820</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">1,980=
</td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px sol=
id rgb(204,204,204)">Propane Butane Mix</td><td style=3D"padding:2px;border=
:1px solid rgb(204,204,204)">
=A0</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">1,970</=
td></tr><tr style=3D"padding:0px"><td style=3D"padding:2px;border:1px solid=
 rgb(204,204,204)">Propylene</td><td style=3D"padding:2px;border:1px solid =
rgb(204,204,204)">
2,870</td><td style=3D"padding:2px;border:1px solid rgb(204,204,204)">=A0</=
td></tr></tbody></table></div></div></div><div class=3D"gmail_extra"><br><b=
r><div class=3D"gmail_quote">On Wed, May 15, 2013 at 2:51 PM, Giffen Marr <=
span dir=3D"ltr">&lt;<a href=3D"mailto:gamarr@charter.net" target=3D"_blank=
">gamarr@charter.net</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">How do you verify your EGT Calibration when =
setting up your system? Mine seem to be running very high and do not match =
what was recorded during my engine cell runs.<br>

Giff Marr<br>
LIV-P 229GM<br>
--<br>
For archives and unsub <a href=3D"http://mail.lancaironline.net:81/lists/lm=
l/List.html" target=3D"_blank">http://mail.lancaironline.net:81/lists/lml/L=
ist.html</a><br>
</blockquote></div><br></div>

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