Steam AK400 Direct Drive 3D 400 RC Helicopter Kit With Motor and Main Blade

Item: 

Steam AK400 Direct Drive 3D 400 RC Helicopter Kit With Main Blade and Tail Blade

Specifications:

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

Weight(No power system) ： (Include blade and canopy) Approx：970g (Include blade and canopy)

Features:

Direct Drive Motor: Ensures efficient power transmission and superior performance.

Carbon Fiber Main Blade: Offers lightweight and high-strength characteristics for improved flight.

Versatile Tail Blade: Comes with 68mm and 71mm plastic tail blades for different flight characteristics.

Optimized Rotor Ratios: Features a 1:1 main rotor and 4:1 tail rotor ratio for balanced and stable flight.

Recommended Equipment Provided: Detailed recommendations for speed controller and battery specifications for optimal performance.

Package Included:

1 x AK400 Helicopter Kit 

1 x Direct Drive Motor

1 x 390mm Carbon Fiber Main Blade

1 x Plastic Tail Blade