Picture I https://crisisofdemocracticstates.blogspot.com/ Kimmo Huosionmaa The centrifuge rifle is very easy to get because the angle grinder can easily modify for this kind of weapon. As I have written earlier, the centrifuge rifle is actually the rotating plate, and above this plate would be dropped steel balls, what would accelerated extreme fast speed. That weapon can easily install in the small drones like quadrocopters. In this case, the small size helicopter can work as the flying rifle. The operator could easily make this thing at home, and then use this thing for terrifying purposes. When we are thinking about UFO, the small size flying saucer. Actually, the saucer-shape is because the normal quadrocopter is covered with the metal cover, what is normally used with fans. That small helicopter is made for intelligence purposes, for giving tactical data to the infantry and tank troops, but this shape allows that the operator can just throw it to some bush and walk away...