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Technical Specifications
Last Updated: 2026-07-28
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand | Hexfly |
| Product Number | RER11856 |
| Category | Hobby |
| Performance | |
| Torque |
6.8V
347.19 oz-in
25.00 kg-cm
2.5 N-m
5.0V
291.64 oz-in
21.00 kg-cm
2.1 N-m
|
| Speed |
6.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
5.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
|
| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | 2.36 oz67.0 g |
| Dimensions |
L 1.57 in W 0.79 in H 1.59 in L 39.9 mm W 20.1 mm H 40.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushed |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | (add) |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | 3 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | (add) |
| Control System | (add) |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6.8 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | Waterproof |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | (add) |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | (add) |
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.
Performance Analysis
| Shaft Power | 3.85–4.94 W |
| Torque Density | 4.3528 oz-in/g |
| Torque-to-Volume Ratio | 147.89 oz-in/in³ |
| Power Density | 2.504 W/in³ More power-dense than 52% of the 1643 Digital Standard servos in the database |
| Speed-to-Weight | 0.10661 (1/sec·g) |
| Speed-Torque Trade-off | 40.83 |
| Voltage Range Width | 2.0 V Wider voltage range than 41% of the 1268 Digital Standard servos in the database |
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