Introducing the latest evolution of Scorpion’s renowned and award-winning “HK – Series” motors – the Scorpion “HK5 – Series.”

Living up to and surpassing our highest standards, the HK5 Series sets new benchmarks for Power and Efficiency, boasting unrivaled Torque per Amp capabilities in the market. Our primary focus during the development of the HK5 series was motor cooling and temperature management. By incorporating a state-of-the-art Internal Fan design and coupling it with our time-tested external centrifugal fan, we have achieved nearly double the airflow through the motor. The outcome is significantly enhanced cooling, ensuring cooler operating temperatures.

The HK5-4020-850kv model is meticulously tailored for the SAB RAW 500 helicopter, aligning precisely with the guidelines provided by the SAB Factory. Experience the next level of performance and reliability with the Scorpion HK5 Series.

Specifications

• Motor Kv 850KV RPM/Volt
• Weight 325.6g Grams ( 11.48oz)
• Motor Body Dimensions 49.5mm x 52.00mm (1.95″ x 2.05″)
• External Shaft Dimensions 5.98mm x 32mm (0.235″ x 1.26″)
• Continuous Current 85 Amps
• Continuous Power 1900 Watts
• Peak Current 120A (2 seconds)
• Peak Power 2664 Watts (2 seconds)
• Max Lipo Cell* 6s
• Stator Diameter 40 mm (1.57 in)
• Stator Thickness 20 mm (0.79 in)
• No. of Stator Arms 12
• No. of Stator Poles 10
• Motor Wind 5+5 Turn Delta
• Motor Wire 1.4mm

*Higher Cell Count possible with appropriate gear ratio adjustment

Included in the Box

• 1 x HK5-4020 BLDC Motor
• 3 x Female 4mm Connectors
• 3 x Heat Shrink
• 1 x Hardware / Accessory Pack