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Technical Specifications
Last Updated: 2026-10-10
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 | 50 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 15% of 136 Digital Low Profile servos at 6.0V |
| Speed | Above Average Faster than 87% of 135 Digital Low Profile servos at 6.0V |
| Weight | Average Lighter than 48% of 251 Digital Low Profile servos |
| Stall Current | Above Average Lower draw than 71% of 64 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 2.38 W |
| Power Density | 1.873 W/in³ More power-dense than 25% of 215 Digital Low Profile servos |
| Torque Density | 1.7360 oz-in/g Stronger than 13% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 70.93 oz-in/in³ Denser torque than 18% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.27473 (1/sec·g) Faster than 80% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 6.32 Better balanced than 11% of 134 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0332 A/oz-in More efficient than 23% of 40 Digital Low Profile servos |
| Speed Gain per Volt | 11.91%/V More voltage-responsive (speed) than 38% of 117 Digital Low Profile servos |
| Voltage Range Width | 1.4 V Wider voltage range than 26% of 223 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 39% of 60 Digital Low Profile servos |
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