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© 2026 Upwash LLC·Patent US 2026/0062150 A1·Engineering aid, not for safety-critical or certification use.

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Motors›Scorpion HKIII-5020-520kV

Scorpion HKIII-5020-520kV

The Scorpion HKIII-5020-520kV is a 520 kv motor with a 50 × 20 mm stator, weighing 498 g and rated to 90 A.

Simulate this motor

Specifications

Identity

BrandScorpion
ModelScorpion HKIII-5020-520kV
kv520

Electrical

Max A90
Phase resistance14 mΩ
Poles10
Maker cells—
Curve pack5S

Mechanical

Weight1.10 lb
Stator50×20
Stator length20 mm

Limits

Max power—
MotorScorpion HKIII-5020-520kVThis page
Propeller14x13N
BatteryGAONENG GNB LiHV 5S 19V 1100mAh 60C XT30 LiPo Battery LongRange
Throttle%
Charge%
Rotors
Free · no account needed

Open in the calculator

Performance

Pairings
Download CSV
ThrottleRPMThrust (lb)Power (W)Current (A)Efficiency (%)g/W
30 %3,2730.78 lb33 W1.570.110.86
40 %4,2691.34 lb65 W3789.44
50 %5,2232.03 lb112 W5.282.48.25
60 %6,1252.81 lb174 W8.384.97.32
70 %6,9613.65 lb252 W12.286.26.58
80 %7,7214.52 lb342 W1786.86
90 %8,4005.38 lb440 W22.5875.55
100 %8,7705.88 lb502 W26.186.95.32

Related

Same maker

  • Scorpion A-5025 310kV
  • Scorpion HK-2520-1580kV motor
  • Scorpion HK-2520-1880kV motor
  • Scorpion HK-2520-3500kV motor
  • Scorpion HK-3014-900kV
  • Scorpion HK-3226-1400kV

Paired with

  • 11x6-4
  • 13x4.7SF
  • 14x13N
  • 17x10E
  • GAONENG GNB LiHV 5S 19V 1100mAh 60C XT30 LiPo Battery LongRange

Same class

  • AXI 4120/14 GOLD LINE V3 660kV
  • AXI 4120/14 V3 LONG 660kV
  • AXI 4120/18 GOLD LINE V3 515kV
  • AXI 4120/18 V3 LONG 515kV
  • AXI 4120/20 GOLD LINE V3 465kV
  • AXI 4120/20 V3 LONG 465kV
See all
Fast modelComputed 2026-10-03prom-rs/0.6.2Validation

The curves here are the Fast model, which every account and every visitor runs without limit. An account also runs the Full model, which solves a database propeller from its measured blade geometry.

Engineering aid — ThrustLab results are physics-based estimates, not certified data. Always bench-test and independently validate before committing a real build to flight. Not for safety-critical or certification use.