Wow. I had forgotten about this log's potential. Checking back in, I can see that it is being fullfilled! You are doing a great job with this mod, and you have a very unique idea for your case.
May I ask where you are fabricating this? Is it your place of work?
Also, how much was the aluminum? My only source of metal in my town is the home depot, a horrible source for metal. I just needed about 3 feet of U channel, but they only had 8 feet for 20 dollars. Rip-off!