Ok here's something I've never seen before that dates back to pre-World War II. This contraption consists of a tractor and some form of corkscrew drive system. After a bit of research, it appears that this invention originates from Russia. Call it Russian mechanized genius/madness, you decide. Via - LiveLeak
Ok here's something I've never seen before that dates back to pre-World War II. This contraption consists of a tractor and some form of corkscrew drive system. After a bit of research, it appears that this invention originates from Russia. Call it Russian mechanized genius/madness, you decide. Via - LiveLeak
make the screws water tight and it was be a boat too