Hi all,
So I messed up and need advice. I'm building a solar tracker on a pole mount. Pretty large, 20' x 12' on a 11' high mast.
So I went to the scrapyard to find a pipe and ended up bringing home an I-Beam. It's 16' length.. I poured 3 1/4 yards of concrete (13,000 lbs) and mounted the...