Back in 1981 or 1982 I remember watching an animated show or movie called Dynamo. It was on Showtime and my dad recorded it for me and I loved it! Dynamo was a long vehicle like a road train or long semi that would drive off a mountain and transform into a robot. I recall a princess that lived in a floating city in space that was a giant pyramid. I have searched for years and and never found anything about it so I am beginning to doubt it ever existed! Any help appreciated!