The HS-81 is among Hitecs most popular servos. With a fine balance between speed and torque, the HS-81s were designed to be both economical and reliable.
Motor Type : 3 Pole Ferrite
Bearing Type : None
Torque 4.8/6.0v : 2.6 / 3.0 kg.
Speed 4.8/6.0v : 0.11 / 0.09 second
Size : 30x12x30mm, Weight : 16.6g.