
đ KST X15-1809 V8.0 Mini Brushless Servo is a high-performance cyclic servo built for pilots who want fast response, strong holding power, and long-term reliability. Featuring a brushless motor and CNC aluminum case, it delivers smooth, precise control while fully supporting modern high-voltage setups.
⥠Compared to standard mini servos, the V8.0 version offers improved efficiency, higher torque at HV, and excellent centering â making it a great choice for mini to 500-class helicopters (420â580mm blades). Whether you fly sport or aggressive 3D, this servo keeps the swash locked in.
âš Key Features
- đ High-voltage capable (up to 8.4V) for maximum torque and speed
- âïž Brushless motor for smoother operation and longer lifespan
- đ§± CNC aluminum case for durability and heat dissipation
- đŠŸ Hardened steel gears for strength under high load
- đŻ Strong centering and holding power for precise cyclic control
- đ Optimized for mini / 500-class helicopters
- đ ïž Fully programmable using KST servo programmer
đ Specifications
| Voltage Range | 6.0V â 8.4V (HV) |
| Torque | 18 kg·cm @ 6.0V 22 kg·cm @ 7.4V 24 kg·cm @ 8.4V |
| Speed | 0.09 s / 60° @ 6.0V 0.08 s / 60° @ 7.4V 0.07 s / 60° @ 8.4V |
| Signal / Frequency | 1520”s / 333Hz |
| Motor Type | Brushless |
| Gear Type | Hardened Steel |
| Bearings | Dual Ball Bearings |
| Case | CNC Aluminum |
| Spline | 25T (Futaba-type) |
| Dimensions | Approx. 35.5 Ă 15 Ă 35.5 mm |
| Weight | Approx. 45 g |
â Recommended Use: Cyclic servo for mini and 500-class helicopters (420â580mm blades).