Big fan CAD file

[Andrew Lawrence]

Does anyone know where I can find an accurate CAD model of the big fan? I've searched all over and have yet to find even a dimensional drawing of it.

[MechEng83]

I sorry, I can't help you, but the subject made me think of this

http://imgs.xkcd.com/comics/turbine.png
http://www.xkcd.com/1378/

and this (http://www.bigassfans.com/)