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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 01-HSD82502 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
173.60 oz-in
12.50 kg-cm
1.2 N-m
7.4V
138.90 oz-in
10.00 kg-cm
1.0 N-m
Below Average
|
| Speed |
8.4V
0.02 sec/60°
3,000.0 deg/s
500.0 RPM
7.4V
0.03 sec/60°
2,000.0 deg/s
333.3 RPM
Top 10%
|
| Physical | |
| Weight | 2.19 oz62.0 gAverage |
| Dimensions |
L 1.575 in W 0.787 in H 1.535 in L 40.0 mm W 20.0 mm H 39.0 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3.003 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 7.4–8.4 V |
| Temperature | -20–60 °C-4–140 °F |
| Connectivity | |
| Wire Length | 360 mm14.17 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 | Below Average Stronger than 29% of 1055 Digital Standard servos at 7.4V |
| Speed | Top 10% Faster than 100% of 1038 Digital Standard servos at 7.4V |
| Weight | Average Lighter than 54% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 8.56–16.05 W |
| Power Density | 8.435 W/in³ More power-dense than 95% of 1762 Digital Standard servos |
| Torque Density | 2.2403 oz-in/g Stronger than 26% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 73.00 oz-in/in³ Denser torque than 28% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.53763 (1/sec·g) Faster than 99% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 4.17 Better balanced than 6% of 1029 Digital Standard servos |
| Torque Gain per Volt | 24.98%/V More voltage-responsive (torque) than 92% of 868 Digital Standard servos |
| Speed Gain per Volt | 50.00%/V 2nd-highest speed gain per volt of 868 Digital Standard servos |
| Voltage Range Width | 1.0 V Wider voltage range than 3% of 1552 Digital Standard servos |
Notes
This servo accepts both analog and digital signals.
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Other Versions
This model has 1 other version. Only specs that differ are shown.
DS825M Full Aluminum Case
- Weight 72 g
- Case Material Aluminum
- Product Number 01-HSD82501
Reviews (4)
Includes 4 reviews aggregated from around the web.
There are few reviews for this servo on the web. Three buyers at one helicopter retailer gave it a perfect 5 out of 5, saying it is a good servo for the money and works well for tail rotors with no issues. No written complaints or failure reports were found.
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