KDS-450SD-FBL RTF helicopter

New style rotor head design enables 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.
New tail blade control set utilizes ball joints connecting method, which makes the heading hold function play fully.
Specifications & equipment
Length：640mm
Height: 240mm
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: 3650KV
Gyro: electronic flybarless system KDS ebar
Servo: 3 KDS N300 metal gear  servos and 1 N590 digital servo

Packaging: small size aluminum case
Case size: 420 x 120 x 210mm
Gross weight: 2.2 kg
10 pcs per export carton
Export carton size: 640 x 440 x 420mm
Gross weight: 23.7kg