Why not put a massive pulse jet on the most rubbish bike to hand seems a cracking idea to me HAHAHA See jet ran van here http://youtu.be/BY-TYGpiGpU Making the jet here http://youtu.be/u5ceYtR22Ww Note:- When using liquid propane be sure you get the cylinders that are designed for liquid draw off Check my other pages for news and pictures Twitter https://twitter.com/colin_furze Instagram https://www.instagram.com/realcolinfurze/ Facebook https://www.facebook.com/Colin-furze-521680751253584 h