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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-2501 |
| Category | Hobby |
| Performance | |
| Torque |
13.0V
416.40 oz-in
29.98 kg-cm
2.9 N-m
12.0V
388.64 oz-in
27.99 kg-cm
2.7 N-m
8.4V
333.12 oz-in
23.99 kg-cm
2.4 N-m
|
| Speed |
13.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
12.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
|
| Physical | |
| Weight | 2.47 oz70.0 gBelow Average |
| Dimensions |
L 1.591 in W 0.787 in H 1.496 in L 40.4 mm W 20.0 mm H 38.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 760 µs |
| Refresh Rate | 560 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 8–13 V |
| Power Source | Direct |
| 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
| Weight | Below Average Lighter than 34% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 6.16–11.00 W |
| Power Density | 5.870 W/in³ More power-dense than 84% of 1759 Digital Standard servos |
| Torque Density | 4.7589 oz-in/g |
| Torque-to-Volume Ratio | 177.78 oz-in/in³ |
| Speed-to-Weight | 0.14286 (1/sec·g) |
| Speed-Torque Trade-off | 33.31 |
| Voltage Range Width | 5.0 V Wider voltage range than 98% of 1539 Digital Standard servos |
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