X15-855X HV Mini Digital Metal Gear Brushless Tail Servo 15Kgf.cm 0.05sec for RC Helicopters

The KST X15-855X mini tail servo is a great choice for helicopters ranging from 430mm-570mm rotor blade sizes, such as the Align T-Rex 500, Mikado Logo 480, MSH Protos 500, and SAB Goblin 570. Features with a brilliant 15kgf.cm torque and and extremely fast 0.05sec/60° speed at 8.4V with fantastic precision and reliability.  Additionally, these servos can be used in other RC applications where the physical dimensions and torque/speed ratings suit the needs of the RC application. Features Support High Voltage 8.4V  Extreme Torque and Excellent Speed Programmable  Dual Ball Bearings Brushless DC Motor Hardened Steel Gears CNC Aluminium Case Specification Item: X15-855X Tail Servo Rated Voltage: DC7.4V Voltage Range: DC6.0V-8.4V Torque: 10Kgf.cm@6.0V,  13Kgf.cm@7.4V,  15Kgf.cm@8.4V Speed: 0.07sec/60°@6.0V,  0.06sec/60°@7.4V,  0.05sec/60°@8.4V Working Frequency:  760μs/560Hz Temperature Range: -10℃……+65℃ Case Material: Aluminum Alloy Motor Type: Brushless DC Motor Gear Set Material: H