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Technical Specifications
Last Updated: 2026-10-09
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 gBelow Average |
| 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 |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–65 °C14–149 °F |
| 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 11% of 1043 Digital Standard servos at 6.0V |
| Speed | Top 10% Faster than 98% of 1041 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 34% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.94–4.94 W |
| Power Density | 2.699 W/in³ More power-dense than 55% of 1759 Digital Standard servos |
| Torque Density | 1.0906 oz-in/g Stronger than 5% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 41.74 oz-in/in³ Denser torque than 10% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.29762 (1/sec·g) Faster than 94% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 3.66 Better balanced than 5% of 1031 Digital Standard servos |
| Torque Gain per Volt | 15.15%/V More voltage-responsive (torque) than 45% of 850 Digital Standard servos |
| Speed Gain per Volt | 9.62%/V More voltage-responsive (speed) than 16% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 58% of 1539 Digital Standard servos |
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