Were using it in Physics Research.
I own 2 now
I took the first one apart
Heres some PIctures of the inside circuit board
Im building a driver for the motor now. Thats how I came across this web site.
The first pic shows the little black Square thats a hall effect sensor and there is 1...
Its a 3 pole brushless dc motor.
3 of the wires are for the motor.
The rest are for feedback / motor control.
I have a drawing of the wires if any body is interested.