This is the upgraded alloy version of the HK-450 helicopter kit.
98% of parts are compatible with the Align T-Rex.

Spec.
Length:660mm
Height:230mm
Main Blade Length:325mm
Main Rotor Diameter:700mm
Tail Rotor Diameter:150mm
Motor Pinion Gear:12T/13T (Not included)
Main Drive Gear:150T
Autorotation Tail Drive Gear:106T
Tail Drive Gear:25T
Weight(w/o blade):450g
Flying Weight:730~760g

Upgraded belt pulley gear & shaft. (No-slippage) 

 

Required items.
Brushless Outrunner Motor & Pinion Gear
Servos
Gyro
Receiver
ESC
Lipoly Battery (2200mAh 3S)

 

We have plenty of spare parts in stock for this machine;