NIVE’s “bible” on wind energy development (Maegaard, 2010).
Very little was published at the time on wind energy technology
a book Vindkraftboken on wind turbine design, by Swedish engineer/
scientist Bengt Södergaard.
Back in Thisted, Maegaard made two early attempts during
1975–1976 to construct a turbine based largely on the Swedish
book’s design of a 2-bladed downwind machine with free yaw,
but he found it to be a “paper tiger” that would become so powerful ...