Skip to content


Offshore wind

Wind farm planning and development

Wind turbine manufacturing and components

Liftra Blade Yoke Deployed at Block Island Windfarm

25 November 2016

This summer, GE installed five 6 MW wind turbines at America’s first offshore wind farm, Block Island, a project that posed considerable logistic challenges. For the installation of blades, Liftra was brought in to do the heavy lifting.

The turbines are GE’s 6 MW direct drive generators, which, unlike geared turbines, have no motor mechanism to actively rotate the hub. However, Liftra supplied a custom-made blade yoke that addresses this issue.

After installing the first blade, the yoke can be used to turn the hub in order to install the other blades. Weighing in at a healthy 52 tons and 10 meters, the yoke allows for great flexibility during this process, as it is capable of tilting and installing blades at angles between +30 and -60 degrees.

The blade yoke was in development for three years, undergoing extensive testing on other sites with GE’s 6 MW turbines.

For full story in Danish Click Here


You should consider reading

Offshore wind
Wind farm planning and development
Wind turbine manufacturing and components


Wind energy


India and Denmark: Energy – a strategic green partnership with global potential

10 February 2023
How one of the world’s largest countries and one of the smallest join forces to create a new era of just, green transition. India and Denmark's Green Strategic Partnership paves the way for green growth and new business opportunities. Explore green energy solutions and start the journey today.


Wind energy


WindEurope 2025

24 March 2024
In 2025, the WindEurope Annual Event will once again return to Denmark as policy-makers, ministers, experts and professionals from the entire wind industry gather in Bella Centeret in Copenhagen from 8-10 April. Dubbed by many as the “birthplace of wind energy”, Denmark and WindEurope will seek to c