E-kite has successfully tested a new set-up of its kite power system, using just one instead of two traction cables. Further, the company tested an alternative flight pattern where the ultra-light wing flies in circles rather than 8-figures. The energy output was above expectations! A video of a single-line test flight is provided below.
Key advantage of the single-line concept is the lower cable drag and therefore lower losses, when the wing is flying to produce electricity. Moreover, this concept allows for an even simpler design of the ground station in order to reduce investment costs. Both aspects will help to drive down the cost of energy of kite power systems even further.
E-Kite will continue doing research on the single-line concept as part of the development of its first commercial kite power system, which is expected to be available in 2018.