REFLECTOR: EGT Temps

[John Dibble]

Sorry for taking so long to reply, but I just got busy with other
things.  I have checked and my EGTs are strapped on.  I have also found
the problem.  The TC junction appears to be corroded (galvanic corrosion
from the exhaust pipe?) with a big deposit at the junction.  Also one of
the wires was corroded in two.
Can I repair the junction?  I recall in college lab we made TCs by arc
welding two dissimilar wires together.  I would prefer soldering if that
is possible.
My wires have a plastic type coating.  Is that a problem if I drill a
hole in the exhaust and insert the TC?

Thanks,
John

Ron Brown wrote:

>  John, My Lycoming IO-360 runs 1150-1450 deg F, probes are installed
> into holes about 4" from the exhaust flange. Are you sure your probes
> don't install INTO holes?  I'm not aware of any strap on EGT sensors -
> but I could be wrong. (I did a Google search on "strap on EGT" and
> didn't find any.)  In any event - 752-842 deg F EGT sounds awfully
> low.
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