cht

  1. J

    EGT/CHT reading negative 9 cyl, radial

    hey all, finishing up a 1981 YAK 52 SkyView installation and I'm having issues with CHT6 & EGT 5 reading negative. I have tried swapping wires at the sensor side, i have swapped connections from EGT 5&EGT6 and it 'X' out on display, I have checked continuity from the k/j-type wires to the...
  2. B

    What's a CHT Thermocouple's Failure Mode

    Taxiing out the other day, my #1 CHT suddenly spiked to 500+ and bounced around intermittently (this caused a reoccurring alarm, which I couldn't silence). After getting in the menus and turning off the alarm, I took off. In flight, the reading stayed mostly at the high limit, but occasionally...
  3. J

    How to quiet repeating alerts

    I Had a CHT probe go crazy on me recently. Temp jumping up to 500 then back down to zero and everywhere in between. That issue is fixed. However, when it happened, every time the temp jumped up over the programmed limit, the Dynon HDX voice said, "Cylinder head temperature". Drove me crazy for...
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