Ever wondered how an airplane turns? You’re not alone!
An aircraft turns by banking the wings in the direction of the desired turn at a specific angle. This angle is referred to as the bank angle. When flying straight and level, the wings of an aircraft produce the force of lift in an upward direction, perpendicular to the wing. However, when a pilot banks the wing, this force is then divided into vertical and horizontal components. It is this horizontal component of the produced lift force, that turns the aircraft. This force, in actuality, acts as a centripetal force, trying to maintain the circular movement of the aircraft.
In order to turn an aircraft in an efficient and fully-coordinated manner, it is necessary that all the four primary controls are available. You need ailerons (rectangular flaps at the back of the wing) to bank and hence initiate the turn, the elevator to maintain your altitude during the turn, the rudder to coordinate the movement of the nose and of course the throttle to increase/decrease thrust while turning, thereby affecting the radius of the turn.
Airplane turns are generally categorized into three types:
- Planes make shallow turns when the bank angle is less than 20 degrees.
- A turn is “medium” when the bank angle is between 20 to 45 degrees.
- Steep turns produce a bank angle greater than 45 degrees.
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