Product Description: 

FBL

New style rotor head design and torque tube 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: similar to beast x
Servo: All digital servo