If you want to see what these are capable of, and how quick you have to be on the sticks, see the videos here :
http://rcqatar.com/helicopters/3d-flight-training-for-helicopters-some-r...
Addicting :)
If you want to see what these are capable of, and how quick you have to be on the sticks, see the videos here :
http://rcqatar.com/helicopters/3d-flight-training-for-helicopters-some-r...
Addicting :)