The two front wheels are driven and
the single-rear wheel does the steering.
the most famous use of this wheel configuration was
Richard Buckminster (Bucky) Fuller’s Dymaxion car of 1933
the most famous use of this wheel configuration was
Richard Buckminster (Bucky) Fuller’s Dymaxion car of 1933
the picture in #6 is an odd angle but it looks like the rear has two wheels judging from how close to the outside of the car the one showing is and none show in the front, or is it a different car altogether