Di Pietro http://www.youtube.com/watch?v=ZGiviT-C_oY
Rotary(wankel) http://www.youtube.com/watch?v=6BCgl2uumlI
Fibonacci Offset Rotary http://www.youtube.com/watch?v=tklMGxqRtw4
k-jetronic fuel system: http://www.youtube.com/watch?v=a4fJAfXYxWk