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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›T-Motor AT3520-850

T-Motor AT3520-850

The T-Motor AT3520-850 is a 850 kv motor with a 43 × 65 mm stator, weighing 221 g and rated to 70 A.

Simulate this motor

Specifications

Identity

BrandT-Motor
ModelT-Motor AT3520-850
kv850

Electrical

Max A70
Phase resistance14 mΩ
Poles14
Maker cells—
Curve pack3S

Mechanical

Weight0.49 lb
Stator43×65
Stator length65 mm

Limits

Max power—
MotorT-Motor AT3520-850This page
Propeller12x6EP(F2B)
BatteryTattu 1100mAh 11.4V 60C 3S1P 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 %3,2010.43 lb18 W1.454.710.85
40 %4,1780.73 lb33 W2.565.610.2
50 %5,1221.11 lb54 W4.272.59.35
60 %6,0231.54 lb82 W6.476.98.54
70 %6,8732.01 lb117 W9.379.67.82
80 %7,6632.51 lb158 W12.881.17.2
90 %8,3853.01 lb205 W16.981.96.68
100 %8,7873.32 lb235 W19.7826.4

Related

Same maker

  • T-Motor AM480 KV600
  • T-Motor AM480 KV650
  • T-Motor AM480 KV900
  • T-Motor AM60 KV1550
  • T-Motor AM60 KV1880
  • T-Motor AM670 KV480

Paired with

  • 11x3.8SF
  • 12x6EP(F2B)
  • 13x9
  • 17x6E
  • Tattu 1100mAh 11.4V 60C 3S1P Lipo Battery Pack with XT30 Plug

Same class

  • KDE4213XF-360
  • KDE4215XF-465
  • MAD 3506 EEE 400kV
  • MAD 3506 EEE 460kV
  • MAD 3506 EEE 650kV
  • MAD 3506 IPE 400kV
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.