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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS0704T |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
111.09 oz-in
8.00 kg-cm
0.8 N-m
7.4V
97.21 oz-in
7.00 kg-cm
0.7 N-m
6.0V
83.32 oz-in
6.00 kg-cm
0.6 N-m
Below Average
|
| Speed |
8.4V
0.04 sec/60°
1,714.3 deg/s
285.7 RPM
7.4V
0.04 sec/60°
1,500.0 deg/s
250.0 RPM
6.0V
0.05 sec/60°
1,333.3 deg/s
222.2 RPM
Top 10%
|
| Physical | |
| Weight | 2.75 oz78.0 gBelow Average |
| Dimensions |
L 1.594 in W 0.787 in H 1.457 in L 40.5 mm W 20.0 mm H 37.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 1.7857 ms |
| Neutral Position | 760 µs |
| Refresh Rate | 560 Hz |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Connectivity | |
| Connector | JR (Universal) estimate |
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 13% of 1060 Digital Standard servos at 6.0V |
| Speed | Top 10% Faster than 98% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 15% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.42–5.87 W |
| Power Density | 3.211 W/in³ More power-dense than 62% of 1768 Digital Standard servos |
| Torque Density | 1.0682 oz-in/g Stronger than 4% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 45.59 oz-in/in³ Denser torque than 12% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.28490 (1/sec·g) Faster than 94% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 3.75 Better balanced than 5% of 1034 Digital Standard servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 38% of 873 Digital Standard servos |
| Speed Gain per Volt | 11.91%/V More voltage-responsive (speed) than 28% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 44% of 1560 Digital Standard servos |
Notes
For helicopter rudder usage only. Must be connected to a flybarless flight controller set at 760us pulse width setting. Will not function on receivers or testers using 1520us pulse width. Servo Grommet suggested for Nitro Heli. Also comes in a Black Edition.
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