Is rudder required for coordinated turns?

Planes like Arrows, Mooneys, Bonanzas, etc
automatically move the rudder when you roll the ailerons.

Dunno about the Mooney or Bo, but the Arrows I've flown do not have interconnect. You have full individual control of each of the three axis. What it =does= have is differential deflection of the alerons, which reduces adverse yaw. The only plane I know of that had interconnect is the Ercoupe.

Jose
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