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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | WR-7701-HV |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
430.28 oz-in
30.98 kg-cm
3.0 N-m
7.4V
379.06 oz-in
27.30 kg-cm
2.7 N-m
6.0V
307.30 oz-in
22.13 kg-cm
2.2 N-m
Above Average
|
| Speed |
8.4V
0.14 sec/60°
428.6 deg/s
71.4 RPM
7.4V
0.16 sec/60°
379.7 deg/s
63.3 RPM
6.0V
0.20 sec/60°
306.1 deg/s
51.0 RPM
Below Average
|
| Physical | |
| Weight | 2.48 oz70.3 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.488 in L 40.0 mm W 20.0 mm H 37.8 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1520 µs |
| Refresh Rate | 300 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Water Rating | IP67 |
| Origin | |
| Country of Origin | USA |
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 70% of 1060 Digital Standard servos at 6.0V |
| Speed | Below Average Faster than 12% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 32% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.90–5.68 W |
| Power Density | 3.081 W/in³ More power-dense than 61% of 1768 Digital Standard servos |
| Torque Density | 4.3713 oz-in/g Stronger than 69% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 166.61 oz-in/in³ Denser torque than 72% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.07258 (1/sec·g) Faster than 8% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 60.24 Better balanced than 85% of 1034 Digital Standard servos |
| Torque Gain per Volt | 16.67%/V More voltage-responsive (torque) than 60% of 873 Digital Standard servos |
| Speed Gain per Volt | 16.67%/V More voltage-responsive (speed) than 58% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 51% of 1560 Digital Standard servos |
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