Dan wrote:
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So where is this perfect airplane? I don't know about you, but I need
the rudder pedals to fly the aircraft.

Get in most any aircraft. Take it to a normal cruise airspeed.
Put your feet flat on the floor and roll her into a standard rate
turn. I can almost guarantee the ball will be centered. It
would be a highly inefficient and impractical design if it
doesn't fly coordinated without rudder impact in that
regime.