You can try hammerheads. Fun use of rudder. Straight up, cut throttle, just before it stops, give full rudder and a little power to "pull it over".

Coordinated turns are helpful. It is most useful at low speeds. Suppose your engine leans out on takeoff and you have minimal power. I have seen so many people "lose it" in this situation. A little rudder will keep speed up in the turn.

Once we took a 40-size plane and put an old ragged-out .15 on it. We let various people fly it. You really needed to maintein speed. It would stall on any turn that was not real wide.

Then one of the "experts" flew it. He kept up much more speed. We were amazed at how well it flew.

He showed us how much rudder-coordianted turns helped.

Aileron turns add drag. The deflection of the ailerons add drag and the plane will tend to yaw to the outside of the turn. The fuse adds drag as additional ailerons/elevator is needed to to fight the outward pull of the engine.

Adding a little rudder reduces drag. The enging points more toward the desired turn and verly little rudder is needed so its deflection causes less drag. Less aileron/elevator is needed so further reduced drag.

At a stall, the ailerons may actually reverse. As one wing stalls, adding aileron to level the wings will cause the wing to stall harder.

Anyway, here's a GOOD thing to practice. Fly at a minimal speed At good altitude.) See how "sloppy" it is in the turns. Then add a little rudder in the turns. You be amazed how much easier it will be to fly and maintain altitude.

This practice will come in handy when you get into trouble with power problems or recovering from stalls. When you start getting into 3D, and you start flying deep into stall conditions, recovery by rudder instead of ailerons is a must.