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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›Tempest 4120-520Kv

Tempest 4120-520Kv

The Tempest 4120-520Kv is a 520 kv motor with a 41 × 20 mm stator, weighing 280 g and rated to 62 A.

Simulate this motor

Specifications

Identity

BrandTempest
ModelTempest 4120-520Kv
kv520

Electrical

Max A62
Phase resistance25 mΩ
Poles14
Maker cells—
Curve pack5S

Mechanical

Weight0.62 lb
Stator41×20
Stator length20 mm

Limits

Max power—
MotorTempest 4120-520KvThis page
Propeller13x13.5N
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 %3,2780.54 lb28 W1.347.58.79
40 %4,2870.93 lb51 W2.357.98.35
50 %5,2661.41 lb83 W3.964.97.74
60 %6,2091.97 lb126 W5.969.77.12
70 %7,1052.60 lb180 W8.6736.56
80 %7,9453.26 lb244 W11.875.16.07
90 %8,7233.95 lb317 W15.776.55.65
100 %9,1614.37 lb366 W18.377.15.43

Related

Other winds

  • Tempest 4120-420Kv
  • Tempest 4120-600Kv
  • Tempest 4120-700Kv
  • Tempest 4120-830Kv

Paired with

  • 11x4.7SF
  • 12x8
  • 13x13.5N
  • 17x7E
  • GAONENG GNB LiHV 5S 19V 1100mAh 60C XT30 LiPo Battery LongRange

Same class

  • AXI 2808/24 CYCLONE 1190kV
  • AXI 2814/16 CYCLONE 1035kV
  • AXI 2814/20 CYCLONE 840kV
  • AXI 2820/12 CYCLONE 990kV
  • AXI 2820/14 CYCLONE 860kV
  • AXI 2826/10 CYCLONE 920kV
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.