BBCNEWS The Engineers August 21, 2021 12:35:00
Off the energy from wind - or solar, and then you employ| both the batteries and the fuel and fuel cells together. thank you. now, danielle, i want to come back to you to hear about your latest prototype wind turbine, the haliade—x, unveiled in 2019. it is a monster of a machine, this thing. and i want you to describe for me its scale and efficiency, and how you get it to work. so, the haliade—x is the world's most powerful wind turbine in operation today. it's offshore, it has a 14—megawatt capacity, and the rotor — so, the distance from blade tip to blade tip — is 220 metres. so ea...