Quote:
Originally Posted by phi delt reefer
+1 - if you can weld the square tubing into a continuous loop or back and forth pattern you can use a "side-venting" fan (possibly called a scroll fan??) to push air through the entire structure and keep it cool. You can effectively cool the entire unit with one fan (unless you have a 6 foot tank  ) |
Yeap or you could use a fan on each tube to make it a little easier or join the tubes with some other means. Not too many people can weld aluminum and contracting it out won't be cheap.