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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-3515/14 950Kv

Cobra C-3515/14 950Kv

The Cobra C-3515/14 950Kv is a 950 kv motor with a 35 × 15 mm stator, weighing 178 g and rated to 44 A.

Simulate this motor

Specifications

Identity

BrandCobra
ModelCobra C-3515/14 950Kv
kv950

Electrical

Max A44
Phase resistance29.3 mΩ
Poles14
Maker cells—
Curve pack4S

Mechanical

Weight0.39 lb
Stator35×15
Stator length15 mm

Limits

Max power970 W
MotorCobra C-3515/14 950KvThis page
Propeller7.4x7.5C
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 %4,7490.27 lb22 W1.363.75.67
40 %6,1870.48 lb41 W2.472.95.24
50 %7,5680.74 lb70 W4.178.14.75
60 %8,8791.04 lb109 W6.580.94.31
70 %10,1041.37 lb158 W9.582.23.92
80 %11,2311.72 lb216 W13.282.73.6
90 %12,2512.07 lb282 W17.582.53.33
100 %12,8132.28 lb324 W20.582.23.19

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

  • 7.4x7.5C
  • 8.75x9.25NN
  • 9.5x5MR
  • 12x5
  • Tattu 1100mAh 15.2V 60C 4S1P Lipo Battery Pack with XT30 Plug

Same class

  • AXI 2808/16 GOLD LINE V3 1820kV
  • AXI 2808/16 GOLD LINE V3 LONG 1820kV
  • AXI 2808/20 GOLD LINE V3 1490kV
  • AXI 2808/20 GOLD LINE V3 LONG 1490kV
  • AXI 2808/24 GOLD LINE V3 1190kV
  • AXI 2808/24 GOLD LINE V3 LONG 1190kV
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.