Originally Posted by
Rob2160
I guess it also depends on the size of UAV we are talking about. - a small Phantom or Blade 350QX will do less damage than a larger machine. I have a UAV almost 1 meter across that weighs 4.5 Kilograms (10lbs) - most of the construction is metal, the motors are 150 grams each and it carries a 1 kilogram battery.
That would do very nasty things to a jet engine or cockpit windscreen impacting at 300 Kts.
The topic is sUAV (which weight less than 5 pounds), such as bought at the store and flown by idiots who don't know and/or don't care about regulations.