Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KSTBLS805X |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
104.10 oz-in
7.50 kg-cm
0.7 N-m
7.4V
90.22 oz-in
6.50 kg-cm
0.6 N-m
6.0V
76.34 oz-in
5.50 kg-cm
0.5 N-m
Below Average
|
| Speed |
8.4V
0.04 sec/60°
1,538.5 deg/s
256.4 RPM
7.4V
0.04 sec/60°
1,428.6 deg/s
238.1 RPM
6.0V
0.05 sec/60°
1,250.0 deg/s
208.3 RPM
Top 10%
|
| Physical | |
| Weight | 2.47 oz70.0 gAverage |
| Dimensions |
L 1.595 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 estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 1.7857 ms |
| Neutral Position | 760 µs |
| Refresh Rate | 560 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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 | Below Average Stronger than 11% of 1060 Digital Standard servos at 6.0V |
| Speed | Top 10% Faster than 98% of 1045 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 35% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.94–4.94 W |
| Power Density | 2.699 W/in³ More power-dense than 56% of 1768 Digital Standard servos |
| Torque Density | 1.0906 oz-in/g Stronger than 5% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 41.74 oz-in/in³ Denser torque than 10% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.29762 (1/sec·g) Faster than 95% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 3.66 Better balanced than 4% of 1034 Digital Standard servos |
| Torque Gain per Volt | 15.15%/V More voltage-responsive (torque) than 46% of 873 Digital Standard servos |
| Speed Gain per Volt | 9.62%/V More voltage-responsive (speed) than 14% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 58% of 1560 Digital Standard servos |
Similar Active Servos
Reviews of KST BLS805X
Be the first to review!