👉 Jack shaft is a type of drive gear that is used in a variety of applications, such as electric motors and generators. It consists of two helical gears, each with a different pitch (the distance between teeth), which are connected by a pulley or chain. The pitch difference between the two helices allows for precise adjustment of the speed at which the shaft rotates. Jack shafts are typically used in conjunction with other gear systems to provide additional torque and power to the motor or generator. They
