Robby is a lot crazier than his dad was ... Evel jumped a lot of things but in the last 3 years Robby has jumped the Grand Canyon (well ok a little crack of it), A moving train, and between buildings in Las Vegas.
Robbie has not crashed as much. He does more dangerous stunts because he can . Evel just did it by the seat of his pants. I have to say that Evel had more showman in him and less Rider skill. Robbie has more skill but less Showman. I saw Evel jump in 1975 at the Kings Island Park and it was really scary. Evel knew how to build up the crowd. When he went for the jump the whole crowd screamed as he went over the 14 greyhound buses.
I went to school with Evel's niece years ago - man what a babe she was! (I often wonder what happened to her.)