History

  • Toy Magnets

    Spielzeugmagneten für den ersten Magnic Light Prototypen.
  • First prototype

    Erster Prototyp ohne Stromerzeugung.
  • Second prototype

    Zweiter Prototyp- jetzt mit Generatorspule und LED.
  • Third prototyp with LEDs and lenses

  • Generator housings fom 3d printer

  • Handmade prototype in carbon tube.

  • Handmade prototype in action

  • Kickstarter campaign 2012

    Crowdfunding auf der Plattform Kickstarter im Februar/ März 2012.
  • Bicycle trade "Rad" in Essen 2012

    Präsentation auf der Rad Essen während der Kickstarter Kamapgne.
  • Taipei Cycle trade show

    Präsentation auf der Taipei Cycle während der Kickstarter Kamapgne.
  • TV report MDR- "Einfach Genial"

    Fernsehbericht üne Magnic Light in der Sendung "Einfach Genial".

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  • Front Light Rendering

    November 2012: Design für die Massenfertigung.
  • Prototypentest

    3D-Druck Variante im Geländetest.
  • Spritzgusswerkzeug

    Januar 2013: Spritzgusswerkzeuge für die Massenfertigung.
  • Spulenwicklung - Selfmade

  • Produktion

    März 2013: Produktion im Home Office
  • Verkleben der Generatoreineheit

  • Auslieferung der Kickstarter Rewards

  • 2013: Präsentation auf der ISPO München

  • Präsentation auf der Eurobike

  • 2014: Zweites Kickstarter Projekt Magnic Light IC

  • Fernsehbericht NDR DAS! (auf dem roten Sofa)

  • Magnic Light iC mit Microcontroller

    Magnic Light iC mit Microcontroller - optimierte Stromerzeugung - erkennt Abbremsen - sendet Bremslichtsignal - regelt Standlicht - 4 verschiedene Blinkmodi
  • Sieger beim GreenTec Award 2016

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The idea for Magnic Light was born on June 18th 2011. After a nice pasta party at home in preparation for a local 6 miles night race  the next day (Die Nacht von Borgholzhausen) we made some experiments with eddy current brakes for bicycles. Talking about the mechanism behind and especially the nice fact that aluminium rims can be used although aluminium is not magnetic but conductive we got a cool idea: 

 

 

If eddy current brakes work with aluminium wheels the opposite should be no problem either! Shouldn't it be possible to build a bicycle dynamo that absorbs magnetic energy from the wheels?

Fortunately we had masses of magnets in our house to make experiments : All those medium strong toy magnets of the children that can be used to build nice magnetic creatures. These were strong enough to make some encouraging experiments. We found out that eddy currents which are induced in the wheels have magnetic fields which can be absorped to produce electricity! While still far away from from producing electric energy we had an idea how to go on.

Everybody can check that no "witchcraft" is necessary. Let a ball-magnet (you can get them in many to toy shops) roll in an aluminum pan or on an aluminium plate. The ball will not really roll (although it should) because it sticks to the aluminium surface. What happens here is caused by a simple well known electromagnetic effect: Since aluminium is conductive, eddy currents are induced in the aluminium surface when the ball moves relative to the pan. These induced currents have themselves magnetic fields so the aluminum pan  becomes magnetic for a moment and holds the ball.

You can find many similar experiments using this effect in literature or on the web. (for details look at Wikipedia  http://en.wikipedia.org/wiki/Eddy_current)

So prototype number 1 has never produced any light and not even electricity but a lot of inspiration. 

After ordering hundreds of power-magnets and dozens of highest level LED lights our prototypes became smaller, lighter and more and more powerful with each version...

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