
đ The KST BLS905X HV Brushless Tail Servo is a high-performance tail servo designed for fast response, strong holding power, and reliable centering. Featuring a brushless motor, metal gears, and a rigid aluminum case, itâs an excellent upgrade for pilots looking for a more locked-in and precise tail feel.
⥠Built for modern high-voltage setups, the BLS905X delivers smooth, consistent tail control even under high loads. Itâs well suited for demanding flight styles and higher headspeeds where tail authority really matters.
âš Key Features
- đ High-voltage capable (6.0â8.4V)
- âïž Brushless motor for fast response and long service life
- đ§± Aluminum case for durability and heat dissipation
- đŠŸ Metal gears for strength under high tail loads
- đŻ Fast, precise response for locked-in tail control
- đ Dual ball bearings for smooth operation
- đ Ideal for performance-focused helicopter setups
đ Specifications
| Operating Voltage | 6.0V â 8.4V (HV) |
| Torque | 6 kg·cm @ 6.0V / 7 kg·cm @ 7.4V / 8 kg·cm @ 8.4V |
| Speed | 0.045s/60° @ 6.0V / 0.040s/60° @ 7.4V / 0.035s/60° @ 8.4V |
| Signal / Frequency | 760”s / 560Hz |
| Motor Type | Brushless |
| Gear Type | Metal |
| Bearings | Dual Ball Bearings |
| Case | Aluminum |
| Dimensions | Approx. 40.5 Ă 20 Ă 37 mm |
| Weight | Approx. 72 g |
â Recommended Use: High-performance tail servo for helicopters (550-700 class) requiring fast, precise tail control.