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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | A27CHR |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
153.00 oz-in
11.02 kg-cm
1.1 N-m
7.4V
139.00 oz-in
10.01 kg-cm
1.0 N-m
6.0V
114.00 oz-in
8.21 kg-cm
0.8 N-m
4.8V
104.00 oz-in
7.49 kg-cm
0.7 N-m
Above Average
|
| Speed |
8.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
4.8V
0.17 sec/60°
352.9 deg/s
58.8 RPM
Below Average
|
| Physical | |
| Weight | 0.98 oz27.7 gBelow Average |
| Dimensions |
L 1.18 in W 0.39 in H 1.39 in L 30.0 mm W 9.9 mm H 35.3 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | No Limit |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Power Source | 2S LiPo |
| Temperature | -15–70 °C5–158 °F |
| 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 | Above Average Stronger than 87% of 40 Digital Slim servos at 4.8V |
| Speed | Below Average Faster than 20% of 41 Digital Slim servos at 4.8V |
| Weight | Below Average Lighter than 24% of 83 Digital Slim servos |
Performance Analysis
| Shaft Power | 1.13–2.57 W |
| Power Density | 4.020 W/in³ More power-dense than 57% of 83 Digital Slim servos |
| Torque Density | 3.7545 oz-in/g Stronger than 82% of 40 Digital Slim servos |
| Torque-to-Volume Ratio | 162.58 oz-in/in³ Denser torque than 82% of 40 Digital Slim servos |
| Speed-to-Weight | 0.21236 (1/sec·g) Faster than 10% of 41 Digital Slim servos |
| Speed-Torque Trade-off | 17.68 5th-highest speed-torque trade-off of 40 Digital Slim servos |
| Torque Gain per Volt | 13.09%/V More voltage-responsive (torque) than 19% of 33 Digital Slim servos |
| Speed Gain per Volt | 15.16%/V More voltage-responsive (speed) than 24% of 34 Digital Slim servos |
| Voltage Range Width | 3.6 V Wider voltage range than 69% of 75 Digital Slim servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 52% of 22 Digital Slim servos |
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