The difference is large pax aircraft have to prove that these electronics cannot fail or fuck themselves up, and may have as many as five independent backup computers, each one crosschecking the other four and a mechanical backup in case a lightning strike or EMP knocks everything out. It's a different case with cars altogether, as also the authorities who allow these cars on the road don't check new cars as in depth as airworthiness autorities as the JAA and FAA check new airplane types.Yokohammer wrote:This is really the scary part.
Nothing is directly connected to anything any more ... the accelerator pedal isn't directly connected to the throttle, the brake pedal isn't directly connected to the brakes, and the shift lever isn't directly connected to the transmission. There's a bunch of electronics interpreting the driver's supposed intentions and passing that info on to the mechanics in "optimized" form. I find that disturbing, but I suppose that's how large passenger aircraft function as well.
Honestly, I'd be reluctant to buy a car with drive-, brake- or steer-by-wire systems if they have no way to override them from the driver's seat (even a breaker box would help). My current banger doesn't even have ABS, and as it turns out it worked better and safer in the snow we've been having than mose newer cars that do. Now, if only it had an LSD or a difflock...
