As a temporary conclusion of this topic, and spite of my initially rather favorable opinion about the studied system, some bottlenecks occur such like the pulling force that is not well oriented or the added devices to allow facing the wind directions. And the implementation is rather complex compared to the pumping mode. So building them looks unlikely.
Again, we must add the cosine concern to the aforementioned problems What is possible with Payne's patent US3987987 figure 5? .