Just basic knowledge of mechanics, hydraulics, electronics and some simple game code-cracking in conjuction with affordable funding the building of hydraulic model would do...
As part of my 3D design coursework we had to make a chair, i got an old rgv250 seat unit, made a wooden box to mount it on and padded the seats out with thick foam and covered it in fake leather, sprayed it red with white number boards and wahey, a motorbike seat i dont get it back untill october after it's been marked so will post pictures up then It will make a perfect tourist trophy seat though