Product Description：

INNOVA 450 series helicopters are the latest developed helicopters by KDS MODEL. The SD series FBL helicopter features brand new main rotor head, and there are several operation options on the unique main rotor head.  You can select any mode between flexible and stable flying modes.  Streamline carbon body is full of motion, and the design of double-geared belt driven transmission makes it easy for maintenance.
The kit comes with high performance electronics. The combination of KDS FBL System with MEMS technology and the digital tail servo N590 provide the helicopter perfect holding functions and wonderful spin control resulting. Finally, your helicopter is much more flexible and totally self-control based on personal preferences.
KDS-N300 digital titanium servo was designed for 450-size FBL helicopters. It features fast speed and stong anti-drop.
The brushless ESC 40A with inner Lying Switch UBEC, and the brushless motor 3500kv make the power of the helicopter to achieve the perfect combination.
The whole kit is powered just with the high performance Lipo ( 11.2v, 2200MAH, 20C), and then all you need to do is to display your RC talents and certain maintenance. The thicker 15MM tail boom reduces the vibration effectively.  High quality 315MM carbon fiber rotor blades and elegant hand-painted FG canopy make the helicopter more stunning and eye-catching. With the functional KDS-7XII radio, you can enjoy great flying feeling.
450SD FBL Helicopter is equipped with high performance electronic equipment .

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 digital 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