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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 HKII-4235-520kV

Scorpion HKII-4235-520kV

The Scorpion HKII-4235-520kV is a 520 kv motor with a 42 × 35 mm stator, weighing 519 g and rated to 100 A.

Simulate this motor

Specifications

Identity

BrandScorpion
ModelScorpion HKII-4235-520kV
kv520

Electrical

Max A100
Phase resistance12 mΩ
Poles10
Maker cells—
Curve pack5S

Mechanical

Weight1.14 lb
Stator42×35
Stator length35 mm

Limits

Max power—
MotorScorpion HKII-4235-520kVThis page
Propeller14x13.5
BatteryGAONENG GNB LiHV 5S 19V 1100mAh 60C XT30 LiPo Battery LongRange
Throttle%
Charge%
Rotors
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Open in the calculator

Performance

Pairings
Download CSV
ThrottleRPMThrust (lb)Power (W)Current (A)Efficiency (%)g/W
30 %3,2730.78 lb38 W1.859.99.28
40 %4,2671.34 lb73 W3.469.28.38
50 %5,2202.03 lb122 W5.874.97.51
60 %6,1182.80 lb188 W978.46.77
70 %6,9493.64 lb268 W13.180.56.16
80 %7,7054.50 lb360 W1881.85.67
90 %8,3775.35 lb460 W23.682.55.27
100 %8,7425.84 lb523 W27.382.65.07

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
  • 13x5.5MRF-RH
  • 14x13.5
  • 17x12E
  • GAONENG GNB LiHV 5S 19V 1100mAh 60C XT30 LiPo Battery LongRange

Same class

  • Cobra 4120/20 480Kv
  • Cobra 4120/22 430Kv
  • Cobra 4130/20 300Kv
  • Cobra 4130/20 390Kv
  • Cobra C-4120/12 850Kv
  • Cobra C-4120/14 710Kv
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.