One question the spike at the back of the engine why is it blue? Look at the picture properly http://www.google.com/imgres?q=787+engine&num=10&hl=en&tbo=d&biw=1680&bih=850&tbm=isch&tbnid=oHXg99PhhyoVSM:&imgrefurl=http://blog.naver.com/PostView.nhn%3FblogId%3Dcooter%26logNo%3D20139062511&docid=PN28PGWhZluCGM&imgurl=http://postfiles9.naver.net/20110928_56/cooter_1317203063246MIVuU_JPEG/787engines.jpg%253Ftype%253Dw3&w=450&h=285&ei=rdvxUIHWDrHq0QG39YDYDA&zoom=1&iact=hc&vpx=386&vpy=320&dur=2207&hovh=179&hovw=282&tx=145&ty=120&sig=111463048100316342679&page=1&tbnh=140&tbnw=213&start=0&ndsp=40&ved=1t:429,r:10,s:0,i:128 And this http://www.flickr.com/photos/theboeingcompany/7024950385/ For: Michael