[F500] Atlanta Tour and EGT questions

[Cory McLeod]

I believe that the Rotax spec for the temp probes is 100 mm from the piston with a 2 into 1 exhaust.

Richard Schmidt <reddevilsix at msn.com> wrote:John,

It looks like no one responded to your question about the EGT probe
location. Nobody wants to give away the big secret I guess.

Well I went and measured mine. This is an AAEN Y-pipe and tuned pipe. My
EGT's location is about 1 1/4 inch from the pipe side of the mounting plate.
This would make it about 1 3/8" from the exhaust port flange. I also am
using fast response probes.

The Y-pipe came to me (used) with one probe location already on it, had to
make the second one.

Remember to space the probe out enough so that the tip is in the center of
the pipe.

Also contrary to what Rotax says in their High Performance Section of the
shop manual, you can not run at 1,330 deg F. and finish a race. I have the
proof in my junk box in the garage. They recommend the probe 1" from the
piston.


Richard



----- Original Message ----- 
From: "John Engstrom" 
To: 
Sent: Sunday, April 10, 2005 9:37 PM
Subject: [F500] Atlanta Tour and EGT questions


> First, I noticed in the results on the SCCA website that Clint had a
> combined time of 10000 seconds and was in last place even though his runs
> show his times would have put him in 1st. Anyone know what's up with the
> results?
>
> Also, I'm about to install fast response EGT sensors on my Rotax powered
Red
> Devil. Can anyone tell me how far from the piston the exhaust mounting
> flange is? How far up the y pipe do most people mount their EGT sensors?
>
> Thanks,
> John Engstrom
> Plano, TX
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