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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›Cobra C-4120/14 710Kv

Cobra C-4120/14 710Kv

The Cobra C-4120/14 710Kv is a 710 kv motor with a 41 × 20 mm stator, weighing 293 g and rated to 68 A.

Simulate this motor

Specifications

Identity

BrandCobra
ModelCobra C-4120/14 710Kv
kv710

Electrical

Max A68
Phase resistance18 mΩ
Poles14
Maker cells—
Curve pack4S

Mechanical

Weight0.65 lb
Stator41×20
Stator length20 mm

Limits

Max power1,510 W
MotorCobra C-4120/14 710KvThis page
Propeller13x4.5EP
BatteryTattu 1100mAh 15.2V 60C 4S1P Lipo Battery Pack with XT30 Plug
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 %3,5780.48 lb22 W1.255.710.01
40 %4,6750.82 lb40 W2.366.49.29
50 %5,7371.24 lb67 W3.9738.44
60 %6,7551.73 lb103 W6.177.27.65
70 %7,7182.27 lb148 W8.879.76.96
80 %8,6152.84 lb202 W12.381.26.39
90 %9,4393.43 lb264 W16.3825.91
100 %9,9003.79 lb304 W19.182.25.65

Related

Same maker

  • Cobra 4120/20 480Kv
  • Cobra 4120/22 430Kv
  • Cobra 4130/20 300Kv
  • Cobra 4130/20 390Kv
  • Cobra C-2203/28 2800Kv
  • Cobra C-2203/34 2300Kv

Paired with

  • 10x4.7SF
  • 11x12W
  • 13x4.5EP
  • 16x7E(3D)
  • Tattu 1100mAh 15.2V 60C 4S1P Lipo Battery Pack with XT30 Plug

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.