well i figure for pulleys, they wont do too much on their own but combined they should work well with the fans, and the controller i'm getting is set up for the 2 spd fans, they come on slow then get faster http://www.dccontrol.com/fancontrol.htm i'm going with the first one for $79, not the cheapest but i've done my research and they seem to be the best, i've heard bad about the flex a lite stuff from summit
i have a cleat at each corner. kinda like on boats. that and swing set chain with the turnbuckles and eye bolts in the plywood
I'll be watching this, my next mod is e-fans... taurus stockers from the junk yard and a controller from advanced or maybe the one Nick's gettin