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Hall effect sensors under the cowl?

 
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nuckolls.bob(at)aeroelect
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PostPosted: Tue Mar 24, 2009 11:03 am    Post subject: Hall effect sensors under the cowl? Reply with quote

Quote:
Slightly off topic, but I notice a Hall Effect sensor (S5) that
appears to be on the forward side of the firewall. I am installing
an AFS 3500 with a Hall Effect sensor and two alternators ala
Z-13/8. I would like to keep all of the alternator and regulator
stuff firewall forward but the EMS wants the Hall sensor on the
cabin side. Is there any problem with the Hall sensor living on the firewall?

The hall-sensor is an electronic device with
some temperature effects for both calibration
and upper limits for operating temperatures.

The automotive industry has been running
these critters under the hood for years.
I can't speak to the science for EMS
recommendations. I suspect the real risks
to satisfactory performance are insignificant.
Bob . . .

----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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longg(at)pjm.com
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PostPosted: Wed Mar 25, 2009 5:52 am    Post subject: Hall effect sensors under the cowl? Reply with quote

I have a dual LSE ignition with two hall effect sensors mounted right on
the engine. They even have LED lights on them. Can't get more forward
than that. I'm installing the AF 3500 too, so guess where theirs will be
going? I also have 13/8 with a second battery added to help make things
more confusing.

Just so we don't damage anything perhaps we can find out the upper limit
for operating temperatures on that sensor. If you are really worried but
really need to mount it on the firewall because of space or whatever you
could find a shroud for it and run a cold air scat tube to it.

Glenn

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