Some planes like the piper Cub often need rudder to help coordinate turns , some planes don't need as much rudder input but as has been pointed out it is best to learn how to use your rudder early , it will make you a better pilot . Play with it , do stall turns , see what happens when you add a little in a turn . If your tail looks like its dragging , you can pick it back up into line . Coordinated flight is a combination of all your controls .