Cosine Functions in Kite Physics

[PierreB]

I did it just previously on:

Cosine Functions in Kite Physics

I have to disagree. For what I saw “efficiency gain” expression is used, and not “Cosine Efficiency Gain” as such. However the used words are in 18.2.4 subsection which is a part of 18.2 section whose title is Cosine Efficiency and its Maximization as I precised in my previous message. So one hardly can doubt that “efficiency gain” refers to “Cosine Efficiency”. So the concept of cosine gain is used in the book. Another quote on the same page 449: " However, as visualized in Fig. 18.7, a consi…

And also:
https://link.springer.com/search?facet-eisbn=978-981-10-1947-0&facet-content-type=Chapter&query=cosine+gain