Originally Posted by sbmon
You mean a flat turn is not a coordinated turn. It does take both rudder and aileron so...? I thought a flat turn was a type of coordinated turn.
"Coordinated" means the ball is in the center among other things. In a flat turn, the ball is stuck to the outside of the tube. There's a serious yaw rate, which isn't permitted for a coordinated turn.
Your coffee is slopping out the side of the cup in a flat turn.