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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›AXI 4120/18 V3 LONG 515kV

AXI 4120/18 V3 LONG 515kV

The AXI 4120/18 V3 LONG 515kV is a 515 kv motor with a 49.8 × 68 mm stator, weighing 355 g and rated to 55 A.

Simulate this motor

Specifications

Identity

BrandAXI
ModelAXI 4120/18 V3 LONG 515kV
kv515

Electrical

Max A55
Phase resistance21 mΩ
Poles14
Maker cells—
Curve pack5S

Mechanical

Weight0.78 lb
Stator49.8×68
Stator length68 mm

Limits

Max power—
MotorAXI 4120/18 V3 LONG 515kVThis page
Propeller13x10F
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 %3,2590.44 lb23 W1.1458.77
40 %4,2700.77 lb41 W1.955.88.51
50 %5,2601.17 lb66 W3.163.78.03
60 %6,2211.64 lb99 W4.769.47.49
70 %7,1482.18 lb142 W6.773.56.97
80 %8,0312.76 lb193 W9.276.46.49
90 %8,8643.38 lb253 W12.378.26.06
100 %9,3413.76 lb293 W14.4795.82

Related

Same maker

  • AXI 105.20 KV160 160kV
  • AXI 105.20 KV185 185kV
  • AXI 105.30 KV125 125kV
  • AXI 105.30 KV135 135kV
  • AXI 2203/46 GOLD LINE V2 1720kV
  • AXI 2203/52 GOLD LINE V2 1525kV

Paired with

  • 11x3.8SF
  • 12x7E-3
  • 13x10F
  • 17x7E
  • GAONENG GNB LiHV 5S 19V 1100mAh 60C XT30 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 4120/20 GOLD LINE V3 465kV
  • AXI 4120/20 V3 LONG 465kV
  • AXI 4130/12 V3 LONG 500kV
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.