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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | S7947 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
113.89 oz-in
8.20 kg-cm
0.8 N-m
4.8V
97.22 oz-in
7.00 kg-cm
0.7 N-m
Below Average
|
| Speed |
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
4.8V
0.17 sec/60°
352.9 deg/s
58.8 RPM
Below Average
|
| Physical | |
| Weight | 1.90 oz54.0 gAbove Average |
| Dimensions |
L 1.575 in W 0.768 in H 1.535 in L 40.0 mm W 19.5 mm H 39.0 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Steel |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Cycle | 3 ms |
| Neutral Position | 1500 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Idle Current | 0.008 A8 mA |
| Connectivity | |
| Connector | JR (Universal) |
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 17% of 1043 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 25% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 78% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.06–1.62 W |
| Power Density | 0.873 W/in³ More power-dense than 15% of 1759 Digital Standard servos |
| Torque Density | 1.8004 oz-in/g Stronger than 17% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 52.37 oz-in/in³ Denser torque than 16% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.10893 (1/sec·g) Faster than 44% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 16.53 Better balanced than 29% of 1031 Digital Standard servos |
| Torque Gain per Volt | 14.29%/V More voltage-responsive (torque) than 40% of 850 Digital Standard servos |
| Speed Gain per Volt | 25.64%/V More voltage-responsive (speed) than 96% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 14% of 1539 Digital Standard servos |
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