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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›Tempest 2820-970Kv

Tempest 2820-970Kv

The Tempest 2820-970Kv is a 970 kv motor with a 28 × 20 mm stator, weighing 136 g and rated to 50 A.

Simulate this motor

Specifications

Identity

BrandTempest
ModelTempest 2820-970Kv
kv970

Electrical

Max A50
Phase resistance38 mΩ
Poles14
Maker cells—
Curve pack4S

Mechanical

Weight0.30 lb
Stator28×20
Stator length20 mm

Limits

Max power925 W
MotorTempest 2820-970KvThis page
Propeller8.8x8.5
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 %4,8170.28 lb26 W1.554.54.79
40 %6,2610.49 lb49 W2.864.14.56
50 %7,6420.75 lb81 W4.769.84.22
60 %8,9421.05 lb123 W7.373.23.87
70 %10,1501.38 lb176 W10.6753.57
80 %11,2511.72 lb237 W14.675.83.3
90 %12,2402.06 lb305 W19.275.93.07
100 %12,7822.27 lb349 W22.275.72.94

Related

Other winds

  • Tempest 2820-840Kv
  • Tempest 2820-1170Kv
  • Tempest 2820-1460Kv
  • Tempest 2820-1940Kv

Paired with

  • 7.4x7.5C
  • 8.8x8.5
  • 9.5x4.5
  • 11.5x4
  • Tattu 1100mAh 15.2V 60C 4S1P Lipo Battery Pack with XT30 Plug

Same class

  • AXI 2203/46 GOLD LINE V2 1720kV
  • AXI 2203/52 GOLD LINE V2 1525kV
  • AXI 2203/RACE GOLD LINE V2 2300kV
  • AXI 2203/RACE SAVER GOLD LINE V2 2300kV
  • AXI 2204/54 GOLD LINE V2 1400kV
  • AXI 2204/RACE GOLD LINE V2 2300kV
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.