Jan Akkerman concert on laddermill power

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Dutch guitar giant Jan Akkerman, former astrounaut Wubbo Ockels and Delft University all worked together to come up with this tiny concert in the Stadspark of Groningen last year. The reason? The electrical power was delivered by a prototype of a so-called Laddermill, an invention by Wubbo Ockels that is currently being developed at the University of Delft, and that consists of a chain of kite-wings that act as kites when going up, and as wings when going down.

Laddermills should be able to deliver from kilowatts to megawatts of power, enough to provide neighbourhoods and cities with electricity. According to the Guardian, laddermills are especially useful in The Netherlands, Denmark, the UK and Ireland “thanks to the high-speed jet stream.”

If you’ve never heard of Akkerman before, check YouTube for “focus hocus pocus.”

Via Engadget. See also this TU Delft page.

3 Comments »

  1. […] A windmill made of hybrid kite-wings. […]

    Pingback by 24 oranges » Sailboat uses wind power to generate electricity — July 12, 2010 @ 10:56 am

  2. […] in 2008 a concert raised money to develop the laddermill, a sustainable invention by former astronaut Wubbo Ockels (shown here), and today Ockel’s […]

    Pingback by 24 oranges — June 22, 2012 @ 11:34 am

  3. […] he worked on projects that often involved converting wind energy into electricity, such as a laddermill and an energy-neutral sail boat. He also worked on the Superbus, bringing the speed and aesthetics […]

    Pingback by 24 oranges » Dutch space man Wubbo Ockels dies — May 18, 2014 @ 2:16 pm

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