Product Description
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.
 
Features
Top Selling Micro Servo
Strong Three-Pole Ferrite Motor
Durable Nylon Gears
 
Accessories
Nylon Gear Set | Link |
Plastic Case Set | Link |
Applicable Horns

HS-81 Servo Specifications
Performance Specifications
Operating Voltage Range (Volts DC)
4.8V ~ 6.0V
Speed (Second @ 60°)
0.11 ~ 0.09
Maximum Torque Range oz. / in.
36 ~ 42
Maximum Torque Range kg. / cm.
2.6 ~ 3.0
Current Draw at Idle
8.8 mA
No Load Operating Current Draw
280 mA
Stall Current Draw
1,500 mA
Dead Band Width
8 µs
Physical Specifications
Dimensions (Inches)
1.17 x 0.47 x 1.16
Dimensions (Metric)
29.8 x 12.0 x 29.6
Weight (Ounces)
0.58
Weight (Gram)
16.6
Circuit Type
HT7003 Analog SMT
Motor Type
3 Pole Metal Brush Ferrite
Gear Material
Nylon
Bearing Type
None
Output Shaft (type / Ømm)
Standard 24
Case Material
Plastic