MATMAX, we bow to your superior knowledge, however the only non-FADEC engine i have worked on with an "EEC" was the CFM56-3 and the CF6-80A3 and it that case it was called a "PMC" (Power Management Control) which fine tuned N1 by subsequent operation of a torque motor on the HMU/MEC to adjust N2 (and therefore N1). Tested by testbox by a J5 connection on the PMC but its been a while. I think most people are aware of your answers to 1/2/3.
I believe cedgz gave the wikipedia link as a knowledge source purely for those people not in the business directly, but thanks for patronizing about it not being an approved source, I'm sure we weren't aware of that
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Happy new year!
