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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-R2090 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V347.25 oz-in25.00 kg-cm2.5 N-mAbove Average |
| Speed |
8.4V
4.60 sec/60°
13.0 deg/s
2.2 RPM
7.4V
5.00 sec/60°
12.0 deg/s
2.0 RPM
6.0V
5.60 sec/60°
10.7 deg/s
1.8 RPM
Bottom 10%
|
| Stall Current | 1.8–7.5 A1800–7500 mABottom 10% |
| Physical | |
| Weight | 5.64 oz160.0 gBottom 10% |
| Dimensions |
L 4.06 in W 0.94 in H 1.28 in L 103.1 mm W 23.9 mm H 32.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Rotation Mode | Positional |
| Control & Signal | |
| Rotational Range | 90° |
| Mechanical Limit | 90° |
| Pulse Width | 500-2500 µs |
| Electrical & Environment | |
| Operating Voltage | 6–8 V |
| Origin | |
| Country of Origin | China |
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 72% of 40 Large servos at 6.0V |
| Speed | Bottom 10% Faster than 0% of 40 Large servos at 6.0V |
| Weight | Bottom 10% Lighter than 5% of 174 Large servos |
| Stall Current | Bottom 10% Lower draw than 1% of 100 Large servos |
Performance Analysis
| Shaft Power | 0.11 W |
| Power Density | 0.023 W/in³ More power-dense than 2% of 121 CYS servos |
| Torque Density | 2.1703 oz-in/g Stronger than 53% of 93 CYS servos |
| Torque-to-Volume Ratio | 71.09 oz-in/in³ Denser torque than 55% of 93 CYS servos |
| Speed-to-Weight | 0.00112 (1/sec·g) Faster than 0% of 93 CYS servos |
| Speed-Torque Trade-off | 1,947.20 1st-highest speed-torque trade-off of 93 CYS servos |
| Current-per-Torque Ratio | 0.0216 A/oz-in More efficient than 59% of 87 CYS servos |
| Voltage Range Width | 2.0 V Wider voltage range than 95% of 110 CYS servos |
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