You get two choices with Hitec’s most popular servo the HS-81, resin or metal gears. A popular servo for smaller airplanes, heli’s, boats, cars and trucks, the HS-81 offers a fine balance between speed and torque.



Motor Type:3 Pole
Bearing Type:None
Speed (4.8V/6.0V):0.11 / 0.09 sec @ 60 deg.
Torque oz./in. (4.8V/6.0V):36 / 42
Torque kg./cm. (4.8V/6.0V):2.6 / 3.0
Size in Inches:1.17 x 0.47 x 1.16
Size in Millimeters:29.72 x 11.94 x 29.46
Weight ounces:0.58
Weight grams:16.44