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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 37945S |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V
319.00 oz-in
22.97 kg-cm
2.3 N-m
6.0V
250.00 oz-in
18.00 kg-cm
1.8 N-m
Average
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Above Average
|
| Physical | |
| Weight | 2.40 oz68.0 gAverage |
| Dimensions |
L 1.57 in W 0.79 in H 1.50 in L 39.9 mm W 20.1 mm H 38.1 mm |
| Case Material | Plastic / Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 24 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | 2S LiPo |
| Water Rating | Waterproof |
| 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 | Average Stronger than 59% of 1060 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 68% of 1045 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 39% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.85–5.90 W |
| Power Density | 3.170 W/in³ More power-dense than 62% of 1768 Digital Standard servos |
| Torque Density | 3.6765 oz-in/g Stronger than 54% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 134.38 oz-in/in³ Denser torque than 60% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.12255 (1/sec·g) Faster than 56% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 30.00 Better balanced than 52% of 1034 Digital Standard servos |
| Torque Gain per Volt | 19.71%/V More voltage-responsive (torque) than 76% of 873 Digital Standard servos |
| Speed Gain per Volt | 14.29%/V More voltage-responsive (speed) than 44% of 874 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 37% of 1560 Digital Standard servos |
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