See: AMain Hobbies ProTek RC have introduced two powerful high-voltage, metal gear digital servos in the form of the 155T and 155S. The ProTek 155T High Voltage Hi-Torque servo delivers an incredible 360 oz-in of torque and 0.10 transit speed at 6.0V, and when you bump the voltage to 7.4 the spec’s increase to 453 oz-in […]