These servo have done about ten flights never crashed in mint condition.
Save your self a small fortune on these top guality servos.
I have six for sale will consider a deal on all six or buy one at a time.

The AR8444 comes with a coreless motor and delievers an incredibly powerful and precise range of motion. The inner workings offer a titanium gear set and dual ball bearings giving a smooth range of motion. The AR 8444S has a full metal heatsink case making it a lightweight, high torque, high voltage servo.

Delivering a massive 40Kgs at 8.4V these servos have been designed for 150-200cc models, 3D, turbines and giant scale.

Overload Protection

Another industry first. The AR8444 comes with built in overload protection giving you peace of mind.