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X15-1809 V8.0 Brushless HV Mini Swash Plate Cyclic Servo 24Kgf.cm 0.07sec for RC Helicopters
BR0023.0211
$89.99
KST X15-1809 Mini Digital High Voltage Servo
The KST X15-1809 Mini Digital Metal Gear High Voltage Servo is designed for RC helicopters with 430–570mm rotor blades, making it an excellent choice for models such as the Align T-Rex 500, Mikado Logo 480, MSH Protos 500, and SAB Goblin 570.
With its compact mini-size design, digital control, and metal gear construction, the X15-1809 delivers reliable and precise performance while fitting applications where space is limited.
Beyond RC helicopters, the servo can also be used in a variety of RC applications where its dimensions, torque, and speed characteristics match the requirements of the model.

Features
- Hardened Steel Gears
- Extreme Torque and Excellent Speed
- CNC Aluminium Case
- Two Ball Bearings
- Support High Voltage 8.4V
- Programmable Via Programming Card
Specification
| Parameter | Value |
| Item | X15-1809 Digital Servo |
| Rated Voltage | DC7.4V |
| Voltage Range | DC6.0V–8.4V |
| Torque | 18Kgf.cm@6.0V / 22Kgf.cm@7.4V / 24Kgf.cm@8.4V |
| Speed | 0.09sec/60°@6.0V / 0.08sec/60°@7.4V / 0.07sec/60°@8.4V |
| Working Frequency | 1520μs/333Hz (Default) / 760μs/560Hz (Programming Tool Required) |
| Travel Angle | ±50° = 100° Total |
| Operating Temperature | -10℃ ~ +65℃ |
| Soft Start | Programmable |
| Programmable | Yes |
| Case Material | Aluminum Alloy |
| Motor Type | Brushless DC Motor |
| Gear Set Material | Hardened Steel |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Case Dimensions | 35.5mm × 15mm × 35.5mm ±0.2mm |
| Weight | 45g ±10% |
Package Including
- 1 * X15-1809 Servo
- 1 * Pack of Accessories
