LM conducts tip top test Project with ECN found new designs for blades improved output by 6%

An LM Wind Power and Energy Research Centre of the Netherlands project has found that by extending wind turbine blades with new tip designs can increase power output by as much as 6%.
The InnoTip project looked at three new tip designs called winglet, shark fin and turbulators.

via LM conducts tip top test – Onshore Wind | reNEWS – Renewable Energy News