Mounting the tracker required a sturdy platform. After cutting through the roof membrane and the foam insulation, 7 layers of plywood were glued and screwed together to receive the tracker base.
Tracker base shown in position. After reassembly. The single 4 x 4 gooseneck was built to pass wires and hoses through and down to the lab. Zenith angle at about 60°. The linear actuators are 12VDC and built for use on truck lift gates and such - very good in the weather and not too expensive. The azimuth actuator. A rear view |