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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
Speed
6.0V 0.09 sec/60°
4.8V 0.11 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 0.67 oz
Dimensions L 1.17 in
W 0.47 in
H 1.16 in
Case Material (add)
Drivetrain
Motor Type 3-pole
Motor Drive (add)
Gears Plastic
Gear Spline/Teeth 15 T estimate
Shaft Size (add)
Rotation Mode Positional
Rotation/Support Bushing
Backlash (add)
Control & Signal
Modulation Analog
Direction Clockwise
Rotational Range 80°
Mechanical Limit (add)
Pulse Cycle 20 ms
Pulse Width 900-2100 µs
Neutral Position 1500 µs
Dead Band 8 µs
Refresh Rate (add)
Angle Sensor Potentiometer
Control System PWM
Programmable (add)
Signal Voltage 3-5V
Electrical & Environment
Operating Voltage 4.8–6 V
Power Source (add)
Regulator Type (add)
Temperature -20–60 °C
Water Rating (add)
Certification (add)
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.

Performance Analysis

Shaft Power 0.61–0.85 W
Torque Density1.9000 oz-in/g
Stronger than 42% of the 67 Analog Mini servos in the database
Torque-to-Volume Ratio56.59 oz-in/in³
Denser torque than 67% of the 67 Analog Mini servos in the database
Power Density1.340 W/in³
More power-dense than 88% of the 166 Analog Mini servos in the database
Speed-to-Weight0.47847 (1/sec·g)
Faster than 70% of the 67 Analog Mini servos in the database
Speed-Torque Trade-off3.97
Better balanced than 33% of the 67 Analog Mini servos in the database
Torque Gain per Volt12.70%/V
More voltage-responsive (torque) than 38% of the 46 Analog Mini servos in the database
Speed Gain per Volt18.52%/V
More voltage-responsive (speed) than 70% of the 47 Analog Mini servos in the database
Voltage Range Width1.2 V
Wider voltage range than 78% of the 77 Analog Mini servos in the database
Dead-Band-to-Pulse-Width Ratio0.0067
Finer dead band than 2% of the 58 Hitec servos in the database

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