EGT probes

K._Metzler

I love flying!
Joined
Jun 12, 2012
Messages
9
Location
Southern California
Good morning all, I am installing EGTs into my Velocity Subaru conversion and am wondering if the EGT cables can be terminated at the firewall via a terminal block and then have extensions go from the block to the EMS D25 pin connector thus giving a convenient means of disconnection when necessary. Of course the extension wire will be of the appropriate tye but am wondering if the lug mounting will give in-accurate results.
 

jakej

Well-Known Member
Joined
Oct 10, 2007
Messages
2,157
Location
Adelaide, Australia
Kevin

I've used Dsub connectors with the crimped pins & they worked ok, terminal block would be more prone to inaccurate readings IMO.

Jake J
 

dynonsupport

Dynon Technical Support
Staff member
Joined
Mar 23, 2005
Messages
13,226
The issue with a thermocouple going through non-thermocouple wire is only if the non-thermocouple wire part has a temperature change across it . So if you just go into a terminal block and right out, there is unlikely to be any temp across the terminal bock so you're OK. If you put a connector through the firewall, that can be an issue due to the dramatic temp change from outside to inside.
 
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