The KST BLS805X HV Brushless Tail Servo is a high-performance servo designed specifically for 550-700 class RC helicopters, offering extreme torque and lightning-fast response. With its brushless DC motor and dual ball bearings, this servo provides smooth, efficient, and precise control, making it ideal for high-performance and competition-level helicopters. The CNC-machined aluminium case ensures durability while maintaining a lightweight design for better flight dynamics.
Capable of delivering up to 7.5kgf.cm of torque at 8.4V and a 0.039 sec/60° speed, the BLS805X offers the responsiveness needed for tail rotor control, ensuring quick adjustments during intense flying maneuvers. This servo operates over a wide voltage range of 6.0V to 8.4V, allowing flexibility in power configurations. The high working frequency of 560Hz ensures rapid communication with the receiver for better control accuracy.
KST BLS805X HV 7.5Kgf.cm 0.039sec Brushless Tail Servo for Heli 550-700
The KST BLS805X servo is engineered for precision control in high-performance RC helicopters, providing fast, reliable, and powerful tail rotor response.
• Brand Name: NoEnName_Null
• Model Number: BLS805X
• Material: Metal (Aluminium alloy case)
• Motor Type: Brushless DC Motor
• Torque:
• 5.5kgf.cm @ 6.0V
• 6.5kgf.cm @ 7.4V
• 7.5kgf.cm @ 8.4V
• Speed:
• 0.048 sec/60° @ 6.0V
• 0.042 sec/60° @ 7.4V
• 0.039 sec/60° @ 8.4V
• Operating Voltage: DC 6.0V-8.4V
• Dimensions: 40.5mm x 20mm x 38mm (± 0.2mm)
• Weight: 70g (± 10%)
• Working Frequency: 760μs/560Hz
• Temperature Range: -10℃ to +65℃
• Position Sensor: Potentiometer
• Ball Bearings: Dual ball bearings (2BB)
• Use: Tail servo for 550-700 class helicopters