Servo drive KST BLS159 V8.0
Operating voltage: DC4.8V-6.0V
USD · Volume pricing available
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Buy a powerful servo drive KST BLS159 V8.0 for your FPV drone and complex mechanisms!
Give your actuators exceptional accuracy and reliability. The KST BLS159 V8.0 servo drive is designed for the most demanding applications including FPV drones, cargo drop systems, gimbal rotators, and for use in helicopters, airplanes, automobiles and robotics.
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 17 kg/cm at 8.4V for confident control of heavy machinery.
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Lightning speed. Just 0.10 seconds per 60 degrees at 8.4V provides instant response to pilot commands.
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Maximum reliability. Metal gears and double ball bearings guarantee long service life and minimal play .
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Programmable functions. Supports parameter settings, including the Soft Start function, using KST-Tool programmers.
Operating principle and design
This is a Low-Profile 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 precision and smooth movement without jerking. The range of the control signal is 900-2100 µs.
The durable, CNC-machined, aircraft-grade aluminum body not only provides rigidity, but also effectively dissipates heat from the engine and electronics. The hardened steel gearbox with two precision ball bearings ensures durability and resistance to the shock loads inevitable during hard drone landings .
Specifications and Compatibility
| Characteristics | 4.8 V | 6.0 V | 7.4 V | 8.4 V |
|---|---|---|---|---|
| Torque | 8.0 kg/cm | 12.0 kg/cm | 15.0 kg/cm | 17.0 kg/cm |
| Speed (60°) | 0.10 sec | 0.13 sec | 0.11 sec | 0.10 sec |
| Characteristics | Meaning |
|---|---|
| Dimensions (L×W×H) | 40.5 × 20.0 × 25.4 mm |
| Weight | 55 g |
| Operating voltage | 6.0 – 8.4 V |
| Engine type | Brushless |
| Operating frequency | 1520 µs / 333 Hz |
| Gear material | Metal |
| Bearings | Double ball bearings (2BB) |
| Housing material | Aluminum alloy (CNC) |
| Output shaft tooth type | 25T-6 |
| Moisture protection | No |
| Programming | Yes (via KST-Tool) |
The servo is not waterproof and requires protection from moisture. The ability to program parameters, including the Soft Start function, allows you to precisely tailor its operation to specific tasks, be it a smooth opening of the reset lock or aggressive positioning of the gimbal. Wide compatibility allows it to be used not only in drones, but also in helicopters, airplanes, cars, ships and robotics.
Specifications
- Operating voltage: DC4.8V-6.0V
- Size: 40.50*20*25.40mm
- Torque:
- 10 kg.cm at 6.0 V
- 8 kg.cm at 4.8 V
- Speed:
- 0.10 sec/60° @4.8 V
- 0.09 seconds/60° @6.0 V
- Weight: 55 g
- Operating frequency: 1520us/333Hz, 900us-2100us.
