Ooh!!!!! http://www.videogamesblogger.com/2006/10/03/wii-racing-wheel-shown-in-ubisoft-demo.htm#comment-15543
You do not even need to go through that much trouble. Just take an existing console/computer steering wheel and duct tape the controller to it. That way you won't have to hold it in the middle of the air and look like an idiot.