On 1/11/2022 8:19 PM, Tony King wrote:
I had one of those on an O-200 and Jeff is right, there are 4 CHT/EGT channels
in total
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I am thinking it might be a fun mental exercise to make a circuit using
two small 4 pole relays
OMRON INDUSTRIAL AUTOMATION MY4 AC24 (S)
and a SP/DT switch that would allow me to monitor all 4 cylinders with
CHT "AND" EGT by simply flipping one switch back and forth between CHT
and EGT. The two relays would give me 8 contacts when they are not
energized and another 8 contacts when they are energized. I'd have them
read CHT when de-energized as I'd consider that more critical. As the
information is not "flight critical" (it won't cause me to crash if it
fails) I'll give it some thought. Is this a "crash on takeoff" idea or
does it have merit? There is probably a major flaw here somewhere.
Larry Flesner
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