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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›MAD X4125 IPE 540kV

MAD X4125 IPE 540kV

The MAD X4125 IPE 540kV is a 540 kv motor with a 50 × 74 mm stator, weighing 347 g and rated to 92.5 A.

Simulate this motor

Specifications

Identity

BrandMAD
ModelMAD X4125 IPE 540kV
kv540

Electrical

Max A92.5
Phase resistance13 mΩ
Poles14
Maker cells6S
Curve pack6S

Mechanical

Weight0.77 lb
Stator50×74
Stator length74 mm

Limits

Max power—
MotorMAD X4125 IPE 540kVThis page
Propeller14x12E
BatteryGAONENG GNB LiHV 6S 22.8V 1100mAh 60C XT60 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 %4,0920.63 lb46 W1.846.36.23
40 %5,3471.09 lb83 W3.256.75.98
50 %6,5601.66 lb135 W5.364.15.58
60 %7,7172.32 lb203 W8.169.25.18
70 %8,8033.05 lb287 W11.672.84.81
80 %9,8063.81 lb386 W15.975.24.49
90 %10,7164.59 lb495 W20.976.84.21
100 %11,2175.05 lb565 W24.277.54.06

Related

Other winds

  • MAD X4125 IPE 250kV

Paired with

  • 9x6-4
  • 11x11
  • 13x4
  • 14x12E
  • GAONENG GNB LiHV 6S 22.8V 1100mAh 60C XT60 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.