http://iowahawk.typepad.com/iowahawk/2007/02/funcicle.html
for a write up and pictures that describe it well, and here for his video http://www.youtube.com/watch?v=L8izTNTobpY&eurl=http%3A%2F%2Fiowahawk%2Etypepad%2Ecom%2F
Here for more http://choosingscars.blogspot.com/2007/02/race-car-with-studded-tires-frozen-lake.html#links