A Japanese native from Kyusyu Island, Chicara doesn't use any fancy machines to build these works of art, but simple hand tools. He estimate it takes anywhere between 5000 - 7000 hours for each build, that's 0.8 of a year if you worked full time 24 hours a day.
All his designs are built from what he conceptualises in his head, no CAD models or sketches are created. With the first step being choosing the type of engine to base his build around, he then continues to fabricate each piece as he goes along.
As you can see the results are astonishing, with most of the completed masterpieces being used as decorative pieces in the owner's home.
Check out his website for more images and other models
(All images from http://www.chicara.com/)