Steam AK400


Steam Ak400 Direct Drive Motor 3D Helicopter Kit with Main Blade and Tail Blade
$374 – Check latest price on AliExpress or Banggood

Steam AK400 Specifications
Brand Steam
Model AK400
Type Direct Drive Motor Helicopter Model
Main Blade Length 380~400mm
Tail Blade Length 56~74mm
Cyclic Servos Micro size Cyclic Servos
Tail Servo Mini size Tail Servo
Main Rotor Ratio 1:1
Tail Rotor Ratio 4:1
Recommended Speed Controller 6S 70~80Amps
Recommended Battery 6S 2700~3200mAh
Recommended Battery Weight ≈390~460g

Steam AK400 Features:

  • Direct Drive Motor: Ensures efficient power transmission and superior performance.
  • Versatile Tail Blade: Comes with 68mm and 71mm plastic tail blades for different flight characteristics.
  • Recommended Equipment Provided: Detailed recommendations for speed controller and battery specifications for optimal performance.
  • Optimized Rotor Ratios: Features a 1:1 main rotor and 4:1 tail rotor ratio for balanced and stable flight.
  • Carbon Fiber Main Blade: Offers lightweight and high-strength characteristics for improved flight.

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