For the blades it looks like they were cut out(masked), turned into a 3d layer, had the anchor point adjusted and just rotated very fast with motion blur turned on.
Johnny Cuevas, Editor
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.