Unfortunately, long-throw linear actuators are a little harder to come by, so it’s nice to know you can 3D-print linear gearing for standard micro RC servos and roll your own.

UAVOS is excited to introduce the newest addition to its servos line - the SDLM-04B Linear Servo Actuator. The SDLM-04B is engineered for applications that demand high forces and long-term reliability ...