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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS7146HV |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
638.82 oz-in
46.00 kg-cm
4.5 N-m
6.0V
536.05 oz-in
38.60 kg-cm
3.8 N-m
Top 10%
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Average
|
| Physical | |
| Weight | 2.50 oz71.0 gBelow Average |
| Dimensions |
L 1.59 in W 0.81 in H 1.42 in L 40.4 mm W 20.6 mm H 36.1 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 265 mm10.43 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
| Torque | Top 10% Stronger than 94% of 1055 Digital Standard servos at 6.0V |
| Speed | Average Faster than 62% of 1038 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 30% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 8.26–11.81 W |
| Power Density | 6.459 W/in³ More power-dense than 87% of 1762 Digital Standard servos |
| Torque Density | 7.5500 oz-in/g Stronger than 96% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 293.11 oz-in/in³ Denser torque than 95% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.11737 (1/sec·g) Faster than 53% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 64.33 Better balanced than 86% of 1029 Digital Standard servos |
| Torque Gain per Volt | 13.69%/V More voltage-responsive (torque) than 37% of 868 Digital Standard servos |
| Speed Gain per Volt | 14.29%/V More voltage-responsive (speed) than 42% of 868 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 26% of 1552 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 64% of 501 Digital Standard servos |
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