Align 450MX Brushless Motor (3400kV)

This is the Align 450MX, 3400kV Brushless Motor. This motor is recommended for use with the T-Rex 450 family of helicopters, and works with any 450 class helicopter.
Features:

The 450MX motor integrates a radial fan in its end bell, creating powerful air flow to dissipate heat.
Tweaks to the motor design and decrease in weight not only adds to a dramatic increase in power, but the high performance cooling system enables cooler operating temperatures throughout and after flights when compared with the previous generation motors.
The 450MX motor armature features a unique balance change to lower the serious vibration problem that is found in other small motors.
Maintenance free, high torque, high performance, low temperature level variant, stable and quiet.
Japanese made high-speed ball bearings, powerful magnetic outrunner rotor.
Specifications:

Input voltage: DC 7.4-14.8V 2-4cell Li-Po

Max constant current: 46A/68A(5sec)

Max output power: Approximate. 500w/730W(5sec)

kV value: 3400kV

Measurement: spindle 3.5x29.2x38mm

Weight: Approximate. 83g