I looked at Infra Red and Ultraviolet sensors and found a high frequency of
false alarms until you get into the very pricy mil spec kind of system.
Around $2000. When we looked at the alternative smoke sensor in a fully
enclosed car ( With a belly pan the Fusion was "fully buttoned-up.)
Since the rear end of my car is so long, my plan was for two smoke sensors
one at each end, wired into the same control unit. I do intentionally flow
some air thru the engine bay, but with sensors mounted properly, I think we
can cover most cases of an on board fire.
One mounted high in front of the engine and the second low and in the tail
below the fuel tank. Range of the sensor is I think 15 meters.
There are not many places I have looked for the cheap way to do things on my
car or the Ford project, but this is one that just works.
More practical testing will follow on my car.
Rick
Thanks for the feed back.
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