Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 31085S |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
49.00 oz-in
3.53 kg-cm
0.3 N-m
4.8V
42.00 oz-in
3.02 kg-cm
0.3 N-m
Top 10%
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.16 sec/60°
375.0 deg/s
62.5 RPM
Bottom 10%
|
| Stall Current | ≤1.2 A≤1200 mABottom 10% |
| Physical | |
| Weight | 0.67 oz19.0 gBottom 10% |
| Dimensions |
L 1.14 in W 0.51 in H 1.18 in L 29.0 mm W 13.0 mm H 30.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | 3-pole |
| Gears | Nylon |
| Gear Spline/Teeth | 24 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Rotational Range | 182° |
| Pulse Cycle | 20 ms |
| Pulse Width | 553-2300 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 |
| Idle Current | 0.008 A8 mA |
| Connectivity | |
| Wire Length | 160 mm6.3 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 | Top 10% Stronger than 98% of 171 Analog Micro servos at 4.8V |
| Speed | Bottom 10% Faster than 8% of 171 Analog Micro servos at 4.8V |
| Weight | Bottom 10% Lighter than 2% of 346 Analog Micro servos |
| Stall Current | Bottom 10% Lower draw than 9% of 55 Analog Micro servos |
Performance Analysis
| Shaft Power | 0.49–0.65 W |
| Power Density | 0.943 W/in³ More power-dense than 59% of 333 Analog Micro servos |
| Torque Density | 2.2105 oz-in/g Stronger than 54% of 171 Analog Micro servos |
| Torque-to-Volume Ratio | 61.22 oz-in/in³ Denser torque than 76% of 171 Analog Micro servos |
| Speed-to-Weight | 0.32895 (1/sec·g) Faster than 1% of 171 Analog Micro servos |
| Speed-Torque Trade-off | 6.72 4th-highest speed-torque trade-off of 170 Analog Micro servos |
| Current-per-Torque Ratio | 0.0286 A/oz-in More efficient than 82% of 46 Analog Micro servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 42% of 97 Analog Micro servos |
| Speed Gain per Volt | 11.91%/V More voltage-responsive (speed) than 27% of 97 Analog Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 74% of 182 Analog Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0046 Finer dead band than 35% of 44 Analog Micro servos |
Similar Active Servos
Reviews (1)
-
tinman
February 21, 2017Application(s): rogue 500 450 class heli
Comments: great servo, been using same servos very long time never let me down or fail me once. 2 years now. great buy