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Technical Specifications
Last Updated: 2026-07-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | WK-40-2 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V111.10 oz-in8.00 kg-cm0.8 N-m |
| Speed |
4.8V0.19 sec/60°315.8 deg/s52.6 RPM |
| Physical | |
| Weight | 1.57 oz44.5 gAbove Average |
| Dimensions |
L 1.606 in W 0.827 in H 1.425 in L 40.8 mm W 21.0 mm H 36.2 mm |
| Control & Signal | |
| Modulation | Analog |
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
| Weight | Above Average Lighter than 68% of 448 Analog Standard servos |
Performance Analysis
| Shaft Power | 1.08 W |
| Power Density | 0.571 W/in³ More power-dense than 49% of 437 Analog Standard servos |
| Torque Density | 2.4966 oz-in/g |
| Torque-to-Volume Ratio | 58.70 oz-in/in³ |
| Speed-to-Weight | 0.11827 (1/sec·g) |
| Speed-Torque Trade-off | 21.11 |
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