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Technical Specifications
Last Updated: 2026-10-10
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 | 1.8–1.8 A1800–1800 mAAbove Average |
| 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 67% of 46 Large servos at 6.0V |
| Speed | Bottom 10% Faster than 0% of 42 Large servos at 6.0V |
| Weight | Bottom 10% Lighter than 2% of 172 Large servos |
| Stall Current | Above Average Lower draw than 78% of 103 Large servos |
Performance Analysis
| Shaft Power | 0.11 W |
| Power Density | 0.023 W/in³ More power-dense than 2% of 120 Cys servos |
| Torque Density | 2.1703 oz-in/g Stronger than 55% of 102 Cys servos |
| Torque-to-Volume Ratio | 71.09 oz-in/in³ Denser torque than 57% of 102 Cys servos |
| Speed-to-Weight | 0.00112 (1/sec·g) Faster than 0% of 102 Cys servos |
| Speed-Torque Trade-off | 1,947.20 1st-highest speed-torque trade-off of 102 Cys servos |
| Current-per-Torque Ratio | 0.0052 A/oz-in 2nd-highest current-per-torque ratio of 96 Cys servos |
| Voltage Range Width | 2.0 V Wider voltage range than 93% of 107 Cys servos |
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