My mechanic worked for Rotax for several years, I asked him about an EGT sensor for my DD2 an he didn’t like the idea, said it wouldn’t make any difference, and he gave me a long explanation about different things that to this day I barely understood, but a friend did buy an EGT sensor for his DD2, just for the fun of trying it, and he was getting readings of 750 Celsius, about 1400 Fahrenheit, so quite high.
These days you don’t even see an EGT sensor on the IAME Series in Europe, no idea about the good old USA, and for sure I’ve never ever seen anyone using a Lambda sensor here in Europe, don’t know why?
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