Exhaust Pressure sensing

[Eck, Joel]

Actually, it will. Check out this site: 

http://dbhs.wvusd.k12.ca.us/GasLaw/Gas-Gay-Lussac.html

It describes Gay-Lussac's gas law, which shows the direct correlation
between temperature and pressure of a gas given contant amount and
volume. As temperature increases, pressure increases, and, as
temperature decreases, so does pressure.

-----Original Message-----
From: Greg Hermann [mailto:bearbvd at mindspring.com]
Sent: Thursday, February 21, 2002 9:20 PM
To: diy_efi at diy-efi.org
Subject: Re: Exhaust Pressure sensing


At 7:39 AM 2/21/02, Andris Skulte wrote:
>Craig,
> That sounds like an FSAE engine to me ;) If you have a length of
copper
>tubing, the temperature will have dropped plenty by the time it gets to
>the gauge. How much the temp drop affects pressure, I'm sure you could
>calculate based on some quick infrared gun measurements...

The temp drop will have NO effect whatsoever on the pressure
measurement.

Greg


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