During takeoff, what will an abrupt application of power cause the aircraft to do?

An abrupt application of power during takeoff will cause the aircraft to yaw sharply left due to the torque effects. When you increase engine power significantly and suddenly, the T-6B, like many aircraft, experiences a yawing moment because of the torque generated by the rotating propeller.

The torque effect is a result of Newton's Third Law; as the propeller spins in one direction, the aircraft tends to rotate in the opposite direction. In the case of the T-6B, when the engine power is applied suddenly, the left yaw is accentuated due to the aircraft's design and the direction of propeller rotation.

This yawing tendency must be actively managed through rudder inputs, as it can lead to a loss of control if not corrected. Understanding this dynamic is crucial for pilots in ensuring a safe and controlled takeoff procedure.