Lego sequential dual clutch gearbox

Hi everyone ! This is the last version of my dual clutch gearbox. The gearbox is more reliable and more efficient that the previous one. I made a "driving" test to validate the system. I will publish instruction soon. You can follow me on eurobricks or techlug forums, or can subscribe : http://www.eurobricks.com/forum/index.php?showtopic=126676&st=25#entry2621157 http://www.techlug.fr/Forum/topic10643.html See you soon !