you can view this on the offical mindstorms website at 

http://mindstorms.lego.com/nxtlog/ProjectDisplay.aspx?id=bcff01db-37b2-4f60-ac53-0802f5967403

you can also view my videos on youtube at

http://www.youtube.com/airkraft13

or you can email me at

airkraft-nxt@hotmail.co.uk

thanks