Trenta Posted May 25, 2021 Report Posted May 25, 2021 Howdy MSrs! My EGT has given up the ghost and is ready to be replaced also my CHT gauge is limping along on its last leg. So I am going to handle both. I have a B Model. I have seen where some people do both in the same gauge and also seen where people have kept them seperate. I am probably leaning towards keeping them in separate gauges because that is the current set up and I like it. I also am not wanting digital for either as I don't want to have to pull more power from the battery and wire up additional gauges. At this point i'm not ready to make a jump for an Engine Monitoring System as I am not fuel injected and don't really have a desire to do anything other than (Trigger Warning!) ROP. This all being said what gauges do you all like for EGT and CHT? Would love to see pictures. I see some are TSOd but a lot aren't. Are there advantages to one or the other? I don't remember EGT and CHT being apart of required VFR or IFR instruments so does that mean that it's not a requirement to be TSOd? Any feedback is helpful here! -Trent Quote
DV8Pilot Posted May 25, 2021 Report Posted May 25, 2021 I’d venture to guess that both (or the CHT at a minimum) are required for your TCDS. If so, I don’t think you can get away with non-certified options. Consult your IA Quote
PT20J Posted May 26, 2021 Report Posted May 26, 2021 Neither CHT nor EGT is required by 91.205 or the TCDS. TSO’d will cost more and not perform better. I’d discuss with your IA, but it appears to me you can replace with whatever you want. Quote
Hank Posted May 26, 2021 Report Posted May 26, 2021 5 hours ago, DV8Pilot said: I’d venture to guess that both (or the CHT at a minimum) are required for your TCDS. If so, I don’t think you can get away with non-certified options. Consult your IA Oil Temp is required. Many planes were built with EGT gages with no numbers, only lines 25° apart and a single "*" somewhere to use as a reference when leaning. 1 Quote
carusoam Posted May 26, 2021 Report Posted May 26, 2021 Expect the CHT to require one... EGT, probably the most valuable gauge... not required... The probes themselves are probably near 0.1 amu each... Often sold through aircraft spruce... If looking for a great engine monitor... that is cost effective.... Consider the pre-flown variety... Best regards, -a- Quote
Trenta Posted May 26, 2021 Author Report Posted May 26, 2021 Thanks for the points guys! After it was all said and done I went for the TSOd versions from Alcor #46150 & #46151 and kept them separate. They are currently on back order but both gauges and complete kits were about 1 AMU but fingers crossed I won’t have to deal with it again. -Trent 1 Quote
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