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KST X20 V2 Brushless Servo Helicopter Combo
KST X20 V2 Brushless Servo Helicopter Combo

KST X20 V2 Brushless Servo Helicopter Combo

On sale: $499.95
In Stock.
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Part Number:X20C

The KST X20 V2.0 Helicopter Servo Pack includes three V2.0 X20-2208 Cyclic Servos, and one V2.0 X20-1035 Tail Servo. The X20 Servos feature a brushless motor, full CNC aluminum case, and a complete set of Titanium gears through out each servo. The cyclic servos boast an incredible 347 oz/in ( of torque at 8.4V, and a crisp 0.07 speed. The tail servo offers 166oz/in of torque at a blistering fast 0.03 speed at 8.4V 

The developers at KST ensured nothing but the best components were utilized during construction of this servo, components as large as motors and gears, materials for the servo case,and small components such as the PCB board driving the motor. EMF currents in common DC voltage applications can generate large EMF spikes under operation, which can wreak havoc on other connected electronics. X20 servos feature a PCB board which minimizes EMF spikes, protecting other electronics from having to filter out the noise.   

Helicopters from 520mm main blades, to 800mm main blades that accept standard size servos all can utilize these servos. 


  • Standard size aluminum case
  • Low EMF design
  • Full metal gears
  • Dual ball bearings
  • HV compatible 


Operating Voltage: 6-8.4V   
Size: 40.5x20x38mm (width x height x thickness)  
Torque (Cyclic): @ 6.0V; @ 8.4V | 249oz/in @ 6.0V; 350oz/in@ 8.4V  
Speed (Cyclic): 0.15sec/60° @ 6.0V; 0.11sec/60° @ 8.4V  
Torque (Tail): @ 6.0V; @ 8.4V | 117oz/in @ 6.0V; 166oz/in@ 8.4V  
Speed (Tail): 0.04sec/60° @ 6.0V; 0.03sec/60° @ 8.4V    
Weight: 75g   
Working Frequency (Cyclic): 1520us/333Hz, 800us - 2200us   
Working Frequency (Tail): 760us/560Hz  
Motor: Brushless   
Ball Bearing: 2BB

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