From A boeing lover on Airbus, Let me start by saying I gained a lot of confidence in the A FBW sytem I started very sceptical. I would not like to go into the technical side too much, expect to state that all the relaxed stability involves a greater allowable C of G on a smaller stabelizer, and indeed this gives problems in case of loss of functionality in one of the elevators.
I compare FBW on the bus to driving a Mercedes, You are very comfortable doing it but ,you pay by losing contact with your vehicle. The good thing is that the car doesn't revert to anything and the aircraft does. I envision a future generation of pilots beeing required to fly a certain number of hours of conventional flight in order not to forget standard Aerodynamics and Navigation just like there is a requirement for recurrent training today.
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Mens sanem non urinat in ventum