Of course, is not necessary that blocks will be parallelepipeds , can be left as spilled by
the mixer.
Then, at the central leg, also is necesary pours a least 100 kg of concrete, to be sure than
the follower does not move laterally. The leg may be buried in the concrete.
The accuracy mounting the beams and the trackers is not much necesary, but should
take care that the maximum angle betwen bars who forms the follower axis should be
not more than 0.7 º. This means that the 6 meters of length of each bar can go up or
down (or turn off to the right or left) and vary about 73 mm from the perfect alignment .
