The Studica Robotics Linear Servo RC Actuator 140S-40N is a new Servo motor which has a stroke of 140mm, a load force of 50N and a speed of 26mm/s. It works the same way as the any standard rotary servo but in a linear movement. It uses the same 2.54mm Dupont 3-Pin Female wire connector and can be controlled with an RC receiver or any device that controls a servo. Includes mounting brackets.