Servo drive KST X20-2208 V8.0
Rated voltage: 7.4V DC
USD · Volume pricing available
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Order the powerful KST X20-2208 V8.0 servo drive for your FPV drone and complex mechanisms!
Give your actuators exceptional accuracy and reliability. The KST X20-2208 V8.0 servo drive is designed for the most demanding applications including large FPV drones, cargo drop systems and professional gimbal rotating mechanisms . Featuring a powerful brushless motor and heavy-duty gearbox, this servo delivers the lightning-fast response and impressive force needed for the toughest tasks. The robust CNC aluminum housing ensures efficient heat dissipation and rigidity even under extreme loads .
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Premium brushless motor. Provides high efficiency, smooth operation and exceptional durability compared to manifold counterparts.
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Colossal torque. Develops force up to 25 kg/cm at 8.4V for confident control of heavy machinery.
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Lightning speed. Just 0.07 seconds per 60 degrees at 8.4V provides instant response to pilot commands.
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Maximum reliability. Six precision ball bearings and hardened steel HLS gears guarantee long service life and minimal backlash .
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CNC aluminum body. Provides structural rigidity and efficient cooling of internal components under prolonged loads.
Operating principle and design
KST X20-2208 V8.0 is a digital HV servo drive based on advanced brushless motor technology. Unlike traditional motors, the brushless design offers significantly faster response speed, efficiency and durability . The high-precision digital controller processes the signal at a frequency of 333 Hz (1520 µs), ensuring exceptional accuracy and smooth movement without jerking.
The rugged CNC-machined aircraft-grade aluminum body not only adds rigidity to the structure, but also transforms the body into an efficient heatsink that removes heat from the engine and electronics . The HLS (High Life Span) hardened steel gearbox with six ball bearings ensures durability and resistance to the shock loads inevitable during hard drone landings .
Specifications and Compatibility
| Characteristics | 6.0 V | 7.4 V | 8.4 V |
|---|---|---|---|
| Torque | 18.0-18.4 kg/cm | 22.0-22.4 kg/cm | 25.0-25.5 kg/cm |
| Speed (60°) | 0.09 sec | 0.08 sec | 0.07 sec |
| Characteristics | Meaning |
|---|---|
| Dimensions (L×W×H) | 40 × 20 × 40 mm |
| Weight | 72 g |
| Operating voltage | 6.0 – 8.4 V |
| Engine type | Brushless DC |
| Operating frequency | 1520 µs / 333 Hz |
| Gear material | Hardened steel HLS |
| Bearings | 6 ball bearings |
| Housing material | Aluminum alloy (CNC) |
| Operating temperature range | -10°C to +65°C |
| Output shaft tooth type | 25T-6 |
| Programming | Yes (via KST-Tool) |
This servo is ideal for use in large FPV drones, cargo drop systems, gimbal rotation mechanisms, and for controlling the control surfaces of large model aircraft. The servo drive comes complete with all the necessary rockers and fasteners for installation. The ability to program parameters, including the “soft start” function, allows you to precisely adapt its operation to specific tasks.
Specifications
- Rated voltage: 7.4V DC
- Voltage range: 6.0-8.4V
- Torque:
- 18 kg cm at 6.0 V
- 22 kg cm at 7.4 V
- 25 kg cm at 8.4 V
- Turning speed:
- 0.09 s / 60° at 6.0 V
- 0.08 s / 60° at 7.4 V
- 0.07 s / 60° at 8.4 V
- Operating frequency: 1520 µs, 333 Hz
- Rotation angle: ±50° (100° total)
- Temperature range: -10 to +65 °C
- Shell material: aluminum alloy
- Motor type: brushless DC
- Gear material: hardened steel (HLS)
- Bearings: 6 ball
- Dimensions: 40 × 20 × 40 mm
- Weight: 72g ± 10%.
