HK-450 CCPM 3D Electric Helicopter Kit (Align T-rex Compatible) Modeled on the famous and proven Align T-Rex 450Pro.
99% parts are compatible with the Align T-Rex 450.

Features:
Newly designed head block with high rigidity and stability.
Single piece integrated design of main bearing block and servo mount.
Single piece integrated design of anti-rotation guide and gyro mount.
Single piece integrated landing gear.
Highly stable flybar control system.
High precision bearing mixing arms.
Newly designed high resolution swashplate.
Single piece battery mount with integrated canopy mount designed to bring CG closer to disk plane.
Highly rigid frame with single piece carbon side and bottom plates.
Highly efficient Belt driven tail design.
Weighted tail rotor blade grips to repel centripetal forces.
Straight-up in-frame rudder servo mount for improved geometry.
Newly designed aerodynamic canopy.
Newly designed high torque motor.
Newly designed high strength main blade grips.

Spec.
Length: 635mm
Height: 230mm
Main Rotor Diameter: 710mm
Tail Rotor Diameter: 158mm
Motor Drive Gear: 14T
Main Drive Gear: 150T
Autorotation Tail Drive Gear: 106T
Tail Drive Gear: 25T
Drive Gear Ratio: 1:11.5:4.24
Weight(w/o power system): 450g
Flying Weight: Approx. 780g

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