It's interesting you noted this Foodstick, as this was one of the things that shocked the Allies when they first encountered this type, that it could veritably hang on its propellor and fire upwards into an enemy above it. Keen eye there.
ZZ.
Here is the same pilot, as Foodstick mentioned earlier, pulling similar moves with the DR1. The video is not as quality, but you get the idea.
http://www.youtube.com/watch?v=yMBZg...eature=related