KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz


Sale price$74.99

Customer Reviews

Based on 1 review
Bob J.
Best servo

Great servos, high torque and speed!


KST BLS915 V8.0 Digital Servo HV 8.4V 0.07s 347oz
The KST BLS915 V2 is the successor to the KST BLS915 (V1). Now upgraded to V8.0 with Programing box/USB link compatible. The KST BLS915 V8 is a top class swashplate servo for 3D aerobatics. It is absolutely robust thanks to the aluminum housing and the improved steel gearbox. And it offers the following advantages over the BLS815.

Due to the stronger brushless motor and more powerful electronics in conjunction with the hardened steel gearbox, the BLS915 V8 is clearly a class above the BLS815. The new housing with cooling fins extends the temperature range of the servo to 65 ° C. The high positioning speed in conjunction with the offered performance, the KST BLS915 V8 HV is very well suited for advanced 3D helicopter pilots. Ideal for helicopters of the 600 to 700 class.


  • Hardened Steel Gears
  • Extreme torque and Excellent speed
  • CNC aluminium case
  • Brushless DC Motor


  • Item: BLS915 Brushless HV Metal Servo
  • Operation Voltage(rated): DC7.4V
  • Operation Voltage Range: DC6V-8.4V
  • Torque: 18kg.cm@6.0V,  22Kg.cm@7.4V,  25Kg.cm@8.4V
  • Speed: 0.09sec/60°@6.0V,  0.08sec/60°@7.4V,  0.07sec/60°@8.4V
  • Working Frequency: 1520us/333Hz (Default), 760us/560Hz (Programming Tool Required)
  • Weight: 72g
  • Travel Angle: ±50°when 1000-2000us
  • Operating Temperature Range: -20℃ to +65℃
  • Recommend Servo: BLS905X Brushless Tail ServoBLS805X HV Brushless Tail Servo

Package Including

  • 1 * BLS915 HV Metal Servo
  • 1 * Accessories

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