I found this
http://australianmotorsportforums.blogspot.com/2007/12/dumbo-casey-jr-model-sheet.html
Has a nice picture of the original concept sketches
Accucraft made a G scale model of the Casey Jr ride engine at Dizzyworld a couple of years ago, you might be able to find a picture on line of it.
Heres a youtube video of the Accucraft on someones layout;
http://www.youtube.com/watch?v=Ri5qKpkK7xQ
Good luck
http://australianmotorsportforums.blogspot.com/2007/12/dumbo-casey-jr-model-sheet.html
Has a nice picture of the original concept sketches
Accucraft made a G scale model of the Casey Jr ride engine at Dizzyworld a couple of years ago, you might be able to find a picture on line of it.
Heres a youtube video of the Accucraft on someones layout;
http://www.youtube.com/watch?v=Ri5qKpkK7xQ
Good luck