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Technical Specifications
Last Updated: 2026-09-16
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 31805S |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
343.00 oz-in
24.70 kg-cm
2.4 N-m
4.8V
275.00 oz-in
19.80 kg-cm
1.9 N-m
Above Average
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.19 sec/60°
315.8 deg/s
52.6 RPM
Top 10%
|
| Running Current |
6.0V
0.700 A
700 mA
4.8V
0.700 A
700 mA
Average
|
| Physical | |
| Weight | 5.36 oz152.0 gAverage |
| Dimensions |
L 2.60 in W 1.18 in H 2.27 in L 66.0 mm W 30.0 mm H 57.7 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | 3-pole |
| Gears | Plastic |
| Gear Spline/Teeth | 24 T estimate |
| Shaft Size | 8.0 mm |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Rotational Range | 90° |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Dead Band | 8 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | IP54 |
| Idle Current | 0.008 A8 mA |
| Connectivity | |
| Connector | S |
| Wire Length | 300 mm11.81 in |
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
| Torque | Above Average Stronger than 77% of 23 Analog Giant servos at 4.8V |
| Speed | Top 10% Faster than 90% of 22 Analog Giant servos at 4.8V |
| Weight | Average Lighter than 39% of 58 Analog Giant servos |
| Running Current | Average Lower draw than 41% of 35 Giant servos at 4.8V |
Performance Analysis
| Shaft Power | 2.68–4.53 W |
| Power Density | 0.650 W/in³ More power-dense than 84% of 57 Analog Giant servos |
| Torque Density | 1.8092 oz-in/g Stronger than 73% of 23 Analog Giant servos |
| Torque-to-Volume Ratio | 39.49 oz-in/in³ Denser torque than 73% of 23 Analog Giant servos |
| Speed-to-Weight | 0.03463 (1/sec·g) Faster than 67% of 22 Analog Giant servos |
| Speed-Torque Trade-off | 52.25 Better balanced than 67% of 22 Analog Giant servos |
| Idle-to-Running Current Ratio | 0.011 Lower idle draw than 90% of 61 Hitec servos |
| Torque Gain per Volt | 20.61%/V More voltage-responsive (torque) than 60% of 21 Analog Giant servos |
| Speed Gain per Volt | 29.77%/V 2nd-highest speed gain per volt of 20 Analog Giant servos |
| Voltage Range Width | 1.2 V Wider voltage range than 36% of 23 Analog Giant servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0067 Finer dead band than 5% of 125 Hitec servos |
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Reviews (5)
Includes 4 reviews aggregated from around the web.
A long-time favorite for giant planes, boats and robot arms. Users value the brute strength and reliability. It is heavy, analog and relatively slow.
-
Edson
September 18, 2016Application(s): Robotic
Comments: I need to control the robot arms and torso