This a test of the 2 axis gimbal that I have put on the front of a TBS style quadcopter.
This is very risky to to spin up a quad with props on please take caution to doing this type of test. I have set limits to the throttle so that they will not spin any faster.
http://www.ebay.com/itm/Quadcopter-Multicopter-aircraft-GOPRO-FPV-universal-Stability-PTZ-2axis-Gimbal-/140930169155?pt=US_Radio_Control_Control_Line&hash=item20d017b943