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Technical Specifications
Last Updated: 2026-10-25
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
|
| Physical | |
| Weight | 2.36 oz67.0 gAverage |
| 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 |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 270° |
| Dead Band | 3 µs |
| Refresh Rate | 333 Hz |
| Electrical & Environment | |
| Operating Voltage | 4.8–6.8 V |
| Water Rating | Waterproof |
| Connectivity | |
| Wire Length | 300 mm11.81 in |
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
| Weight | Average Lighter than 39% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.85–4.94 W |
| Power Density | 2.504 W/in³ More power-dense than 52% of 1762 Digital Standard servos |
| Torque Density | 4.3528 oz-in/g |
| Torque-to-Volume Ratio | 147.89 oz-in/in³ |
| 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 1552 Digital Standard servos |
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