News updates each and every month since 1985. Bonus Takes on the Competition . The competition continues to heat up as a number of wind turbine manufacturers race to put new models on the market for offshore installations. Nevertheless, a cloud of uncertainty was seen as the company because the target of speculation that it might soon become another takeover victim. This led some insiders to predict the ultimate demise of Bonus as an independent wind turbine manufacturer.
Bonus is the only Danish wind turbine manufacturer that has never declared bankruptcy.
Edgewise Blade Oscillations . It's been a well known fact since the end of the 1980s that edgewise oscillation of wind turbine rotors can occur under certain circumstances, causing, in some cases, severe blade damage. LM Glasfiber has seen a total of 73 of its LM 19.1 blades damaged out of a total production of around 6,400. Of the damaged blades 20 were replaced and 53 were repaired. Trends in Turbine Performance .