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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-1009 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
124.92 oz-in
9.00 kg-cm
0.9 N-m
7.4V
111.04 oz-in
8.00 kg-cm
0.8 N-m
6.0V
90.22 oz-in
6.50 kg-cm
0.6 N-m
4.8V
76.34 oz-in
5.50 kg-cm
0.5 N-m
Above Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Average
|
| Physical | |
| Weight | 0.71 oz20.0 gAbove Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.063 in L 23.0 mm W 12.0 mm H 27.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Mechanical Limit | 50° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1500 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Power Source | DC |
| 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 | Above Average Stronger than 65% of 262 Digital Mini servos at 4.8V |
| Speed | Average Faster than 42% of 263 Digital Mini servos at 4.8V |
| Weight | Above Average Lighter than 73% of 466 Digital Mini servos |
Performance Analysis
| Shaft Power | 1.09–2.31 W |
| Power Density | 5.080 W/in³ More power-dense than 85% of 440 Digital Mini servos |
| Torque Density | 3.8170 oz-in/g Stronger than 85% of 258 Digital Mini servos |
| Torque-to-Volume Ratio | 167.89 oz-in/in³ Denser torque than 85% of 262 Digital Mini servos |
| Speed-to-Weight | 0.38462 (1/sec·g) Faster than 58% of 259 Digital Mini servos |
| Speed-Torque Trade-off | 9.93 Better balanced than 64% of 261 Digital Mini servos |
| Torque Gain per Volt | 17.68%/V More voltage-responsive (torque) than 61% of 232 Digital Mini servos |
| Speed Gain per Volt | 8.34%/V More voltage-responsive (speed) than 9% of 235 Digital Mini servos |
| Voltage Range Width | 3.6 V Wider voltage range than 88% of 351 Digital Mini servos |
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Reviews (1)
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Ray C
November 15, 2024Application(s): Racing project
Comments: Amazing