If you can post a video of yourself flying your P2V doing the same type of stuff seen in this video, I will give you $100. Good Luck!
http://youtu.be/2hzGhTSJHPY
*Note- I came across this video while looking for someone flying their quadcopter upside down.
http://youtu.be/2hzGhTSJHPY
*Note- I came across this video while looking for someone flying their quadcopter upside down.