Discover XQ-Power Servos in Our eBay Store!

Shop Now
Hitec HS-81MG
Mini Discontinued

Hitec HS-81MG

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-14
Identity
Brand Hitec
Product Number 32081S
Category Hobby
Discontinued Yes
Performance
Torque
6.0V 41.60 oz-in
4.8V 36.10 oz-in Average
Speed
6.0V 0.09 sec/60°
4.8V 0.11 sec/60° Above Average
Physical
Weight 0.67 ozAverage
Dimensions L 1.17 in
W 0.47 in
H 1.16 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Gear Spline/Teeth 15 T estimate
Rotation Mode Positional
Rotation/Support Bushing
Control & Signal
Modulation Analog
Direction Clockwise
Rotational Range 80°
Pulse Cycle 20 ms
Pulse Width 900-2100 µs
Neutral Position 1500 µs
Dead Band 8 µs
Angle Sensor Potentiometer
Control System PWM
Signal Voltage 3-5V
Electrical & Environment
Operating Voltage 4.8–6 V
Temperature -20–60 °C
Idle Current 0.009 A
Connectivity
Connector S
Wire Length 160 mm
Origin
Country of Origin Philippines

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

TorqueAverage
Stronger than 56% of 80 Analog Mini servos at 4.8V
SpeedAbove Average
Faster than 83% of 81 Analog Mini servos at 4.8V
WeightAverage
Lighter than 46% of 165 Analog Mini servos

Performance Analysis

Shaft Power 0.61–0.85 W
Power Density1.340 W/in³
More power-dense than 84% of 163 Analog Mini servos
Torque Density1.9000 oz-in/g
Stronger than 46% of 80 Analog Mini servos
Torque-to-Volume Ratio56.59 oz-in/in³
Denser torque than 66% of 80 Analog Mini servos
Speed-to-Weight0.47847 (1/sec·g)
Faster than 70% of 81 Analog Mini servos
Speed-Torque Trade-off3.97
Better balanced than 30% of 80 Analog Mini servos
Torque Gain per Volt12.70%/V
More voltage-responsive (torque) than 31% of 55 Analog Mini servos
Speed Gain per Volt18.52%/V
More voltage-responsive (speed) than 73% of 56 Analog Mini servos
Voltage Range Width1.2 V
Wider voltage range than 75% of 88 Analog Mini servos
Dead-Band-to-Pulse-Width Ratio0.0067
Finer dead band than 3% of 118 Hitec servos

Similar Active Servos

Reviews of Hitec HS-81MG

Be the first to review!

Submit a review of Hitec HS-81MG