First of all, Included Angle belongs to advanced stage of wheel alignment. It is not advisable to study this video if you are not yet fully aware of Camber and Kingpin. Even long-term Alignment Adjust Master, It is difficult to fully understand the contents.
The Definition of included angle is very Simple, and Can not Directly Affect the alignment, so Many Training Institutions skipped it Directly, However, when we really understand What is Included Angles, Can Help us to Quickly and Accurately find the point of failure. This knowledge is used to improve the speed and accuracy of our problem-solving. Therefore, Included angle is the essence of the Wheel Alignment must learn content. After all, the Different between Normal Alignment Engineer and Alignment Master is so poor a little bit.