KDS 450 BD FBL RTF

Product Description：

New style rotor head design and belt driving system enable you to adjust the flexibility of helicopter at will. It is also more suitable for 3D aerobatics flight.

The full fuselage features streamline design. It cleverly utilizes frame space and also creates a minimalistic beauty.

Utilize bevel gear driving enhanceing the driving efficiency of helicopter significantly.

Specifications & equipment

Length：640mm

Height: 220mm

Width: 120mm

Main Rotor: 315mm

Main Rotor Diameter: 710mm

Tail rotor Diameter: 155mm

Motor Pinion: 13T

Main Gear: 150T

Autorotation Tail Drive Gear: 106T

Tail Drive Gear: 25T

Drive Gear Ratio:11.5:1:4.25

Weight(W/motor): 870g

BL ESC : 40A

BL motor: 3500KV

Gyro: electronic flybarless system KDS ebar

Servo: 3 KDS N300 servos and 1 N590 digital servo

Lipo: 11.1V 2200mAh 20C

Charger: 3S charger and adapter

Radio: K-7XII 7Ch 2.4Ghz RC set

Packing: color box

Box size: 645x280x225mm

Gross weight: about 3.2kg