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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | WK-4.3-1 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V6.90 oz-in0.50 kg-cm0.0 N-mBottom 10% |
| Speed |
4.8V0.11 sec/60°545.5 deg/s90.9 RPMAbove Average |
| Physical | |
| Weight | 0.18 oz5.0 gAbove Average |
| Dimensions |
L 0.89 in W 0.33 in H 0.79 in L 22.6 mm W 8.4 mm H 20.1 mm |
| Drivetrain | |
| Gears | Plastic |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Analog |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8 V |
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 | Bottom 10% Stronger than 2% of 170 Analog Micro servos at 4.8V |
| Speed | Above Average Faster than 76% of 170 Analog Micro servos at 4.8V |
| Weight | Above Average Lighter than 77% of 346 Analog Micro servos |
Performance Analysis
| Shaft Power | 0.12 W |
| Power Density | 0.500 W/in³ More power-dense than 9% of 333 Analog Micro servos |
| Torque Density | 1.3800 oz-in/g Stronger than 4% of 170 Analog Micro servos |
| Torque-to-Volume Ratio | 29.74 oz-in/in³ Denser torque than 4% of 170 Analog Micro servos |
| Speed-to-Weight | 1.81818 (1/sec·g) Faster than 83% of 170 Analog Micro servos |
| Speed-Torque Trade-off | 0.76 Better balanced than 5% of 169 Analog Micro servos |
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