It bugs me too, and I'm an EE. Note that your brakes are fully mechanical in operation, but vacuum assisted. Steering is fully mechanical but pump assisted. If the brakes, and steering are so critical that they have to stay mechanical, why is the throttle allowed to be electronic?
And - in the event of a failure of the drive-by-wire electronics, why shut off the engine? Just set it to idle position. Or - possibly the designers of the circuit don't trust that circuit to reliable determine throttle inputs and outputs? hmmmm
Don't get me started on all the issues with the modern avionics systems. Gulp...
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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