Ernest,
If there are just gasses leaking from the crack in the muffler then I
doubt it would trigger an alarm.  But if there are flames exiting the
muffler, that would be a totally different situation and it probably
would set off the alarm, provided the flames are in the line-of-sight of
the sensor.  A CO2 sensor might be a better choice for a leaky muffler.

Mark S.



-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ernest Christley
Sent: Tuesday, August 30, 2005 8:58 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: UV-Tron Fire Detection System

Mark R Steitle wrote:

> I hooked it up to a 12v cordless drill battery and tested it using a
> propane fire starter. It could easily "see" a flame from 6' away
>
Mark, would this detect a muffler crack?  If you have a push mower with
a worn out muffler, would it detect the 'un-muffled' exhaust gases?


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