Scorpion HK5 4020 Brushless Motor (5.98x32mm Shaft) (850kV)

Motor Overview:

Experience next-level power and efficiency with the Scorpion HK5-4020-850kV brushless motor, engineered for 500-size helicopters and high-demand UAVs. With extreme torque, advanced cooling, and premium components, it delivers unbeatable performance, reliability, and precision for pilots who demand the very best.

About the HK5-4020 Brushless Motor

Extreme Power and Torque

The Scorpion HK5-4020 brushless motor delivers unmatched torque per amp and up to 2664W of power, making it ideal for 500-size helicopters and high-demand UAV applications. It's manually wound ultra high-temperature windings rated above 250°C, combined with imported high-quality bearings and a hardened steel shaft, ensure smooth operation, maximum power output, and long-lasting reliability under extreme conditions. Specially designed ARC magnets further enhance efficiency and torque, giving pilots precise control and responsive performance.

Advanced Cooling Design

The HK5-4020 features an innovative dual-fan system with an updated internal fan and a proven external centrifugal fan, nearly doubling airflow through the motor. This extreme cooling reduces operating temperatures by 20%, improves durability, and maintains peak performance during extended flight sessions. Optimized for 6S LiPo batteries with 500-550mm blades, it offers flexibility with blade size selection while minimizing maintenance, making it a top choice for serious RC enthusiasts and UAV operators.

Features:

• Delivers up to 2664W of power
• Optimized for 500-size helicopters and UAVs
• Manually wound high-temperature windings rated over 250°C
• Imported high-quality bearings for smooth operation
• Hardened steel shaft for longer service life
• Specially designed ARC magnets for improved torque per amp
• Dual-fan cooling system reduces temperature by 20%
• Compatible with 6S LiPo batteries and 500-550mm blades