Product
Powertrain modelSITLValidation Report
Database
MotorsPropellersBatteries
DocsBlogAboutPricing
Theme

Physics-accurate electric-UAV powertrain simulation.

  • SDK on GitHub
  • LinkedIn
Theme

Product

  • SITL & mission testing
  • Validation & methodology
  • Plans & pricing
  • Product changelog

Database

  • Motor database
  • Propeller database
  • Battery database

Developers

  • API documentation
  • API reference
  • Python SDK
  • MCP server for AI assistants
  • User guide

Company

  • About ThrustLab
  • Engineering portfolio
  • Engineering articles
  • Contact us

Legal

  • Terms of service
  • Privacy policy
  • Refund policy
© 2026 Upwash LLC·Patent US 2026/0062150 A1·Engineering aid, not for safety-critical or certification use.

We use cookies and analytics tools to understand how you use ThrustLab and improve the experience. Privacy Policy

Motors›BadAss 2820-780Kv

BadAss 2820-780Kv

The BadAss 2820-780Kv is a 780 kv motor with a 28 × 20 mm stator, weighing 149 g and rated to 54 A.

Simulate this motor

Specifications

Identity

BrandBadAss
ModelBadAss 2820-780Kv
kv780

Electrical

Max A54
Phase resistance39.3 mΩ
Poles14
Maker cells—
Curve pack4S

Mechanical

Weight0.33 lb
Stator28×20
Stator length20 mm

Limits

Max power1,200 W
MotorBadAss 2820-780KvThis 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 %3,9050.22 lb19 W1.156.65.17
40 %5,0950.38 lb35 W267.24.97
50 %6,2470.59 lb58 W3.473.64.62
60 %7,3510.84 lb89 W5.377.34.26
70 %8,3971.12 lb129 W7.779.43.92
80 %9,3741.41 lb177 W10.780.53.62
90 %10,2761.72 lb232 W14.380.83.36
100 %10,7821.91 lb269 W16.780.83.22

Related

Other winds

  • BadAss 2820-580Kv
  • BadAss 2820-910Kv
  • BadAss 2820-1080Kv
  • BadAss 2820-1350Kv
  • BadAss 2820-1820Kv

Paired with

  • 8.8x8.5
  • 10x6
  • 12x4
  • 14x7E
  • 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.