http://www.youtube.com/watch?v=YlkKfqUTnyk http://www.youtube.com/watch?v=YlkKfqUTnyk I know it's not full scale, but apparently autorotation can be achieved ev

http://www.youtube.com/watch?v=YlkKfqUTnyk http://www.youtube.com/watch?v=YlkKfqUTnyk I know it's not full scale, but apparently autorotation can be achieved even inverted. No idea if the swashplate on a real helicopter could invert all the way, but I seem to recall the apache AH-64d could fly inverted.