What if? WWI tank

[Justo Miranda]

From "Great Scale Models " Special Issue 2008

 

[Nik]

Monowheels !!!

http://www.darkroastedblend.com/2008/08/monowheels-weirdest-transport-known-to.html

But the best site is surely...
http://www.dself.dsl.pipex.com/MUSEUM/TRANSPORT/MOTORWHL/motorwhl.htm

;D