The Avro flying saucer
Above via: http://www.jalopyjournal.com/forum/showthread.php?t=428585&page=561
Above via: http://piccole.rispostesenzadomanda.com/
Well the top one has tires, and that gets it on the blog... but it needed company so the bottom image got to ride along
Both from the cool stuff found at http://megamoto.tumblr.com/