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Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S2318 |
| Category | Hobby |
| Performance | |
| Torque |
7.2V
111.10 oz-in
8.00 kg-cm
0.8 N-m
6.0V
90.27 oz-in
6.50 kg-cm
0.6 N-m
Below Average
|
| Speed |
7.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Above Average
|
| Stall Current | 2.5–3 A2500–3000 mAAbove Average |
| Physical | |
| Weight | 1.83 oz52.0 gAverage |
| Dimensions |
L 1.598 in W 0.787 in H 1.012 in L 40.6 mm W 20.0 mm H 25.7 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Cycle | 20 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 180 mm7.09 in |
| 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 | Below Average Stronger than 13% of 186 Digital Low Profile servos at 6.0V |
| Speed | Above Average Faster than 90% of 183 Digital Low Profile servos at 6.0V |
| Weight | Average Lighter than 52% of 304 Digital Low Profile servos |
| Stall Current | Above Average Lower draw than 78% of 81 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 2.38 W |
| Power Density | 1.873 W/in³ More power-dense than 20% of 273 Digital Low Profile servos |
| Torque Density | 1.7360 oz-in/g Stronger than 10% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 70.93 oz-in/in³ Denser torque than 16% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.27473 (1/sec·g) Faster than 85% of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 6.32 Better balanced than 7% of 183 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0332 A/oz-in More efficient than 21% of 58 Digital Low Profile servos |
| Speed Gain per Volt | 11.91%/V More voltage-responsive (speed) than 33% of 163 Digital Low Profile servos |
| Voltage Range Width | 1.4 V Wider voltage range than 28% of 276 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 37% of 79 Digital Low Profile servos |
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