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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›Scorpion SII-4020-630kV

Scorpion SII-4020-630kV

The Scorpion SII-4020-630kV is a 665 kv motor with a 40 × 20 mm stator, weighing 288 g and rated to 95 A.

Simulate this motor

Specifications

Identity

BrandScorpion
ModelScorpion SII-4020-630kV
kv665

Electrical

Max A95
Phase resistance16 mΩ
Poles14
Maker cells—
Curve pack4S

Mechanical

Weight0.63 lb
Stator40×20
Stator length20 mm

Limits

Max power—
MotorScorpion SII-4020-630kVThis page
Propeller11x6-4
BatteryTattu 1100mAh 15.2V 60C 4S1P Lipo Battery Pack with XT30 Plug
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 %3,2330.82 lb57 W3.380.36.57
40 %4,1381.40 lb114 W6.8835.54
50 %4,9472.05 lb194 W11.783.44.8
60 %5,6482.73 lb290 W18.182.84.26
70 %6,2363.37 lb396 W25.781.63.86
80 %6,7153.95 lb503 W3480.33.56
90 %7,0944.45 lb605 W42.978.93.33
100 %7,2804.70 lb662 W48.4783.22

Related

Other winds

  • Scorpion SII-4020-420kV
  • Scorpion SII-4020-540kV

Paired with

  • 12x13
  • 14x10
  • 17x10E
  • 11x6-4
  • 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.