My bad!
I know Nuerokinetic did some research on 280 motors, there's a thread in the xmods forum. The only 280 motor I have ever come across was in a radioshack F40, where it was the servo motor. I know that 280 motors are also used in RC aircraft application
found this:
http://www.motorsandrotors.com/Produ...lec_motors.htm
HTH